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The Warlord of Mars — modern English translation, book cover
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The Warlord of Mars

Edgar Rice Burroughs · Final Battles and Hidden Kingdoms in the Red Planet’s Depths
Newly translated into clear modern English
Part of Adventure — 62 books in clear modern English

In the shadowy depths beneath Mars’s crimson surface, destinies are forged, kingdoms rise and fall, and love drives a warlord to defy the impossible.

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The complete The Warlord of Mars appears in modern English through Library of Alexandria Press, available online with audiobook narration included for members.

Have you ever wondered why some heroes never die—even when the world forgets them? The Warlord of Mars is the thrilling conclusion to Edgar Rice Burroughs’ original Martian trilogy —a timeless journey of action, romance, and the relentless pursuit of justice. When John Carter learns that his princess, Dejah Thoris, is imprisoned in a remote fortress beneath the icy polar cap of Mars, nothing will stop him.

Not deadly beasts, not treacherous rival warlords, not even the secrets of an ancient race hiding in the frozen north. As he crosses deserts and underworld cities, battles shape-shifting foes, and rallies unlikely allies, Carter’s resolve is tested like never before. In this climactic installment, Edgar Rice Burroughs expands the epic mythos of Barsoom and delivers a tale that blends planetary romance with epic fantasy.

A true cornerstone of science fiction.

What you’ll discover in this modern edition

  • An Epic Adventure on a Dying Planet Follow John Carter as he fights across Mars to rescue Dejah Thoris from the clutches of deceit and imprisonment.
FormatseBook (EPUB + PDF) · Audiobook · Paperback · Hardcover · Large Print
LanguageEnglish
Trim size (print)6 × 9 in
BindingPaperback — perfect-bound · Hardcover — casewrap
Large Print editionSame text in a larger, easy-read type — a larger font, not a larger trim
Print pricingEvery physical book at our true cost — at-cost, no profit (members)
Library873 restored titles, always growing
Length55,323 words · ~3 hr 41 min reading
Reading levelGrade 9 · a comfortable read (this modern-English edition)
EditionModern English translation · 2026

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A faithful, unabridged modern-English edition by The Library of Alexandria — carefully rendered for today's reader and verified paragraph-by-paragraph against the public-domain source. Available as eBook, audiobook, paperback, hardcover, and large print.

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Edition last updated July 2026

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The Warlord of Mars — complete and unabridged: all 17 sections included with membership, plus the full audiobook.

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Introduction

There is a particular kind of magic that occurs when a story refuses to let its reader rest. From the very first page, certain adventures seize the imagination and pull it forward, page after breathless page, until the final word arrives and the reader looks up, blinking, surprised to find themselves still seated in a familiar room rather than standing beneath the twin moons of a distant, dying world. The book you now hold belongs firmly to this category. It is a tale of relentless momentum, of one obstacle giving way only to reveal another, of a hero whose courage is tested not once but a hundred times across landscapes that no human eye has ever truly seen. To open these pages is to step onto a planet of crimson deserts and forgotten cities, of strange peoples and stranger beasts, of love so fierce it can drive a man across an entire world in pursuit of it.

This volume represents the culmination of a journey that began two books earlier, and it is worth understanding from the outset that you are entering the third movement of a single, sweeping symphony. The story arcs that were set in motion in the earlier adventures reach their crescendo here. Threads that seemed loose and dangling are gathered, tightened, and finally tied. The chase that has consumed our protagonist’s heart and stretched his endurance to its very limits comes, at last, toward its destined resolution. For this reason, while the present introduction will prepare you thoroughly for the experience ahead, it will take great care never to spoil the surprises, reversals, and triumphs that the author has so carefully arranged. The pleasure of discovery is sacred, and nothing in these opening pages will diminish it.

To appreciate what you are about to read, it helps to know something of the remarkable man who created it. Edgar Rice Burroughs was, by any reasonable measure, one of the most unlikely literary phenomenons of the twentieth century. Born in Chicago in 1875, he spent the first thirty-five years of his life failing at nearly everything he attempted. He tried his hand at soldiering with the United States Cavalry, only to be discharged for a heart condition. He worked as a cowboy, a gold miner, a railroad policeman, a door-to-door salesman, and a manager of a pencil-sharpener wholesaler. He drifted from one disappointment to the next, accumulating debt and frustration in roughly equal measure, a husband and father with little to show for his efforts and a growing sense that life had passed him by.

Then, in 1911, while peddling pencil sharpeners and reading the cheap pulp fiction magazines of the day to pass the long, empty hours, Burroughs had a thought that would change his life and the course of popular literature forever. He looked at the stories filling those magazines and concluded, with a mixture of arrogance and desperation, that he could write something at least as entertaining. “If people were paid for writing rot such as I read in some of those magazines,” he later recalled, “I could write stories just as rotten.” He was wrong about the rottenness. What he produced instead was something extraordinary.

His first effort became the tale of a Civil War veteran named John Carter who, through circumstances both mysterious and unexplained, finds himself transported across the void of space to the planet Mars—a world its native inhabitants call Barsoom. That initial story, serialized in 1912, struck the reading public like a thunderbolt. Here was adventure of a kind that no one had quite seen before: a fully realized alien world, complete with its own geography, its own warring civilizations, its own creatures and customs and codes of honor, all rendered with such vivid, confident detail that readers felt they could reach out and touch the red dust of the dead sea bottoms.

Burroughs did not stop there. He created Tarzan, the ape-man whose name would become one of the most recognizable in the world. He wrote of lost civilizations at the Earth’s core, of voyages to Venus, of pellucid jungles and pirate-haunted oceans. But it was to Mars that he returned again and again, and it is to Mars that this particular tale belongs. The world of Barsoom became his most ambitious and beloved creation, a setting so richly imagined that it would inspire generations of writers, filmmakers, and dreamers who came after. Without the red sands of Barsoom, there would be no galaxy far, far away, no sweeping space operas, no countless tales of Earthmen finding adventure on alien shores. The fingerprints of this dreaming pencil-sharpener salesman are pressed into the very foundations of modern science fiction and fantasy.

What made his work endure was not scientific accuracy—even by the standards of his own time, his Mars was a romantic invention rather than a plausible planet. What made his work endure was the sheer, undiluted joy of storytelling. Burroughs understood, perhaps better than any writer of his generation, that the reader wants to be swept away. He wanted to feel the wind, to smell the fear, to thrill at the clash of swords and the impossible odds. He gave them heroes worth admiring and villains worth hating, and he never, ever let the pace flag. To read Burroughs is to surrender to a master of momentum, a man who never met a cliffhanger he did not love.

This adventure, the third in his Martian sequence, finds him at the height of his storytelling powers. The world has been thoroughly established in the previous two books, freeing him to do what he does best: hurl his hero into one extraordinary situation after another, across regions of the planet never before glimpsed, toward a destiny that has been promised since the saga began. If you have read the earlier installments, you will feel the satisfaction of seeing a grand design completed. If this is your first journey to Barsoom, do not be alarmed—the narrative drive is so powerful, and the storytelling so generous, that you will find yourself caught up in it regardless, and you may well finish this volume eager to return and discover how it all began.

A World of Crimson Sands and Endless Wonder

Let us speak, then, of Barsoom itself, for the setting is very nearly a character in its own right, and understanding it will deepen your enjoyment immeasurably. The Mars of these stories is an ancient and dying world. Its great oceans have long since receded, leaving behind vast bottoms of ochre moss where once mighty seas rolled. Its civilizations have risen and fallen across countless millennia, and the survivors cling to existence with a fierce, proud determination. The atmosphere itself is maintained only by an enormous artificial plant, a fact that lends the entire planet a sense of fragility, of glory faded but not yet extinguished. There is melancholy woven into the very air of Barsoom, a sense that this is a world living out the twilight of its long history—and yet life here burns all the more brightly for its impermanence.

The peoples of this world are many and varied. There are the red men, who most closely resemble humanity and who have built the great walled cities that dot the dead sea bottoms. There are the fearsome green men, towering four-armed warriors who roam the wastes in nomadic hordes, possessed of a culture in which sentiment is despised and combat is a way of life. As the saga has progressed, Burroughs has introduced still other races, each with their own strange customs and hidden territories, and in this final volume the reader will encounter peoples and places more exotic and astonishing than any yet seen. Burroughs takes evident delight in expanding his world, in showing us corners of the planet that earlier travelers never reached, in revealing that Barsoom holds secrets even its own inhabitants do not suspect.

The creatures of Mars are no less marvelous. There are the great thoats, the eight-legged steeds that the warriors ride into battle. There are the calots, fierce and faithful beasts that serve as guardians and companions. There are monstrous predators lurking in shadowed places, and beasts of burden and beasts of war, each described with the loving specificity that makes Burroughs’s world feel so tangible. One companion creature in particular, introduced in earlier adventures, has become a beloved fixture of these tales, and readers who have grown fond of such loyal beasts will find much to delight them here.

The codes and customs of Barsoom deserve special mention, for they govern the behavior of nearly every character and drive much of the story’s tension. This is a world of honor, of personal courage, of fierce loyalty and implacable enmity. A Barsoomian warrior would sooner die than break his word. Combat is conducted according to elaborate rules, and the measure of a person is taken in the quality of their swordsmanship and the steadfastness of their character. Into this world of warriors and honor, our hero fits as though born to it—indeed, his readiness to fight, his unbending sense of justice, and his refusal to abandon those he loves make him, in many ways, the truest Barsoomian of them all, despite his origins on a distant planet.

And here we should pause to consider that hero. He is a man of action above all else, decisive, fearless, and utterly devoted. His love for the woman at the center of this saga is the great engine of the entire narrative, a love so absolute that it has driven him to perform feats of almost superhuman endurance and to face dangers that would shatter a lesser spirit. He is not a complicated man in the modern psychological sense—he does not brood or second-guess or wallow in doubt. When confronted with an obstacle, he overcomes it. When confronted with an injustice, he sets it right. When confronted with an enemy, he draws his sword. There is something deeply refreshing about such a protagonist, particularly in an age when so many heroes are paralyzed by ambivalence. Here is a man who knows what he wants and pursues it with every fiber of his being, across deserts and through hidden kingdoms, against impossible odds, never faltering, never surrendering. To follow him is to be reminded of the pure, uncomplicated pleasure of rooting for someone who simply will not give up.

The pacing of this particular adventure deserves a final word in this section, because it is, even by Burroughs’s own standards, remarkable. From the opening chapter, our hero is in motion, and he scarcely stops to catch his breath until the very end. The structure is essentially that of a great chase—a pursuit that carries him from one end of the planet to the other, through regions of ice and regions of fire, into the strongholds of enemies and the courts of unknown rulers. Each new location brings new perils, new allies, and new revelations. Just when one crisis is resolved, another erupts. The reader is given no opportunity to grow restless, no slack moment in which attention might wander. This is storytelling stripped to its most essential and exhilarating form, a roller-coaster ride across an alien world, and it is precisely this quality that has kept these tales in print for more than a century.

A word is in order about the nature of this edition and how best to approach it. The text you are about to read has been thoughtfully adapted for the contemporary reader. The original was written in the literary idiom of the early twentieth century, a style that, while possessing its own considerable charm, can occasionally present obstacles to modern readers unaccustomed to its rhythms and conventions. Sentences that once flowed naturally may now feel ornate or convoluted; vocabulary that was current in 1914 may now seem archaic or obscure; certain constructions that delighted readers of the pulp era may now slow the modern eye. This adaptation seeks to preserve everything that makes the original wonderful—its propulsive energy, its vivid imagery, its sense of wonder and adventure—while smoothing the path for readers of today. The aim throughout has been to keep faith with the spirit of the work, to honor the author’s vision, and to ensure that nothing stands between you and the pure pleasure of the story.

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Questions about The Warlord of Mars

What is The Warlord of Mars about?

In the shadowy depths beneath Mars’s crimson surface, destinies are forged, kingdoms rise and fall, and love drives a warlord to defy the impossible. In The Warlord of Mars, the pulse- pounding finale to Burroughs’ first Barsoom trilogy, John Carter must traverse treacherous frozen wastes, outwit deadly foes, and battle through lost cities in his desperate quest to rescue his beloved Dejah Thoris. A tale of heroism, loyalty, and savage adventure, this classic science fantasy transports readers to a world where hono

Who wrote The Warlord of Mars?

The Warlord of Mars was written by Edgar Rice Burroughs. This edition presents the complete work in clear modern English, faithfully rendered from the public-domain original by Library of Alexandria Press.

Is The Warlord of Mars free to read?

The opening chapter is free to read on this page. Members read and listen to the complete work — and the entire library — free, and can order any physical book at our true print cost.

How long is The Warlord of Mars?

17 chapters (~55,323 words) — about 3 hr 41 min of reading in this modern-English edition.

Is this an abridged version of The Warlord of Mars?

No. This is the complete, unabridged The Warlord of Mars, carefully rendered into clear modern English and verified paragraph-by-paragraph against the public-domain source — nothing is cut or summarised.

What formats does The Warlord of Mars come in?

The Warlord of Mars is available as eBook, paperback, hardcover and large print. eBook and audiobook are included with membership; printed editions ship at our true print cost.

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The Warlord of Mars

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The Warlord of Mars: Summary, Characters & Analysis

The Warlord of Mars Summary

The Warlord of Mars (1914) is the third novel in Edgar Rice Burroughs' Barsoom series, continuing the adventures of John Carter on Mars. The story opens with Carter discovering that his beloved wife, Dejah Thoris, Princess of Helium, along with another woman, has been imprisoned by the villainous Matai Shang and his daughter Phaidor in the Temple of the Sun—a rotating prison that opens only once per Martian year. Unable to rescue her immediately, Carter pursues the conspirators northward when they kidnap Dejah Thoris again before the temple reopens.

Carter's quest takes him through the forbidden lands of the north polar region, where he encounters the yellow men of Okar, a previously unknown Martian race dwelling in a hidden, technologically advanced civilization beneath the ice. He navigates deadly political intrigue, battles fierce creatures, and faces betrayal at every turn. Along the way, he allies with Thuvan Dihn, Jeddak of Ptarth, whose daughter Thuvia is also captive. The pursuit leads through the underground domains of Okar, involving conflicts with the tyrannical Salensus Oll, Jeddak of Jeddaks, who also desires Dejah Thoris. The climax brings together the great powers of Barsoom in a massive battle, culminating in Carter's rescue of his princess and his ultimate recognition as Warlord of Mars, supreme military commander of the entire planet.

Characters in The Warlord of Mars

  • John Carter — Protagonist and hero
    The Virginian transplanted to Mars, Carter is a peerless warrior driven by love for his wife. His relentless pursuit across the polar wastes demonstrates both his combat prowess and unwavering devotion.
  • Dejah Thoris — Princess of Helium
    Carter's beloved wife and the incomparable princess whose kidnapping drives the entire plot. Though imprisoned for much of the story, she remains the emotional center of Carter's quest.
  • Matai Shang — Primary antagonist
    The Father of Therns and Holy Hekkador, he is the scheming villain who kidnaps Dejah Thoris. His religious authority masks his treacherous nature and lust for power.
  • Thuvan Dihn — Jeddak of Ptarth and ally
    A noble ruler searching for his own daughter Thuvia, he becomes Carter's loyal companion in the quest. His honor and fighting skill make him an invaluable ally.
  • Salensus Oll — Jeddak of Jeddaks of Okar
    The tyrannical ruler of the yellow men of the north, he desires Dejah Thoris for himself and represents the corrupt power of Okar's hidden civilization.
  • Phaidor — Daughter of Matai Shang
    A Thern woman who loves Carter obsessively and becomes increasingly dangerous when her affections are rejected. Her jealousy creates additional peril for Dejah Thoris.
  • Thuvia — Princess of Ptarth
    Thuvan Dihn's daughter and fellow captive, she shares imprisonment with Dejah Thoris and becomes entangled in the schemes of their captors.

Themes in The Warlord of Mars

Love and Devotion: The novel's driving force is Carter's absolute devotion to Dejah Thoris. His willingness to cross impossible distances, face any danger, and challenge entire civilizations for her demonstrates Burroughs' romantic ideal of love as the ultimate motivating force. This theme elevates the adventure beyond mere action, making it a quest of the heart.

Heroic Persistence: Carter embodies the never-surrender hero who overcomes impossible odds through courage, skill, and determination. Despite facing unknown civilizations, superior numbers, and treacherous environments, he never wavers. This theme reflects early 20th-century ideals of masculine heroism and the triumph of individual will.

Civilization and Barbarism: The novel explores various Martian cultures, from the theocratic Therns to the isolated yellow men of Okar. Burroughs examines how isolation, religious fanaticism, and tyranny corrupt civilizations, while honor, openness, and justice strengthen them. The contrast between the noble red men and the decadent northern races reinforces this theme.

Justice and Rightful Authority: Carter's ultimate elevation to Warlord of Mars represents the triumph of earned authority over inherited or seized power. Unlike the tyrannical Salensus Oll or the fraudulent Matai Shang, Carter's leadership is legitimized through heroic action and the free choice of Mars' peoples, suggesting that true authority must be earned through virtue.

The Warlord of Mars: Analysis & Significance

The Warlord of Mars represents the culmination of Burroughs' initial Martian trilogy, bringing together plot threads from the previous novels while expanding the world of Barsoom with new civilizations and geography. Burroughs' prose style is direct and action-driven, prioritizing adventure and momentum over psychological depth. The novel exemplifies early pulp science fiction, blending sword-and-planet adventure with romantic melodrama. Its influence on the genre is substantial—Burroughs essentially created the planetary romance subgenre, inspiring countless imitators and influencing writers from Ray Bradbury to George Lucas. The book's treatment of race and civilization reflects early 20th-century attitudes, with its hierarchies of Martian races and idealization of the protagonist's superiority, elements modern readers recognize as problematic. Nevertheless, the novel's imaginative world-building, relentless pacing, and archetypal hero's journey have secured its place in science fiction history. Carter's elevation to Warlord provides satisfying closure to the trilogy while opening possibilities for future adventures, demonstrating Burroughs' skill at series construction that would serve him throughout his prolific career.

Key Quotes from The Warlord of Mars

“I am John Carter, Prince of the House of Tardos Mors, Jeddak of Jeddaks, Warlord of Barsoom.”
John Carter — Carter's declaration of his ultimate title, representing his earned authority over all Mars and the culmination of his journey from Earthman to supreme commander.
“For ten long years I have been enduring a living death of uncertainty and despair.”
John Carter — Reflects Carter's anguish during Dejah Thoris's imprisonment in the Temple of the Sun, establishing the emotional stakes of his quest.
“I have no quarrel with any man, but I shall kill any who stands between me and my princess.”
John Carter — Demonstrates Carter's single-minded determination and the moral simplicity of his mission—he seeks only his wife, but will overcome any obstacle.
“The woman I love lay in the arms of a villain, and I was helpless to aid her.”
John Carter — Captures the hero's torment at his temporary powerlessness, a rare moment of vulnerability that heightens the tension of his pursuit.
“I had given my word, and I would keep it, though it cost me my life and my princess too.”
John Carter — Illustrates Carter's unwavering code of honor, even when keeping his word conflicts with his desperate desire to rescue Dejah Thoris.

Historical Context of The Warlord of Mars

Edgar Rice Burroughs (1874–1950) wrote The Warlord of Mars as the conclusion to his initial Barsoom trilogy, serialized in All-Story Magazine from December 1913 to March 1914, then published as a novel in 1919. Following the success of A Princess of Mars (1912) and The Gods of Mars (1913), Burroughs had established himself as a leading voice in pulp adventure fiction. The novel was written during a period of rapid expansion in popular magazine fiction, when serialized adventures captured the American imagination. Burroughs drew inspiration from Percival Lowell's theories about Martian canals and dying civilizations, popular scientific speculation of the era. The book reflects early 20th-century American values—individualism, heroism, and manifest destiny—transposed to an interplanetary setting. Its publication coincided with the final years before World War I, a period of optimism about technology and exploration. The novel's themes of a superior outsider bringing justice to a complex civilization mirror contemporary attitudes about American exceptionalism and intervention, making it both a product of its time and an influential template for future science fiction adventures.