Skip to the content
The Library
of Alexandria
11 h 24 minAudiobook15 minSummaryRead it, hear it, the 15-minute summary, and print and large print at cost
Off on a Comet! A Journey Through Planetary Space, the audiobook coverAudiobook edition · 11 h 24 min
StandardLarge printLarge print · bigger, clearer type
Off on a Comet! A Journey Through Planetary Space, paperbackPaperback · 6 × 9 in · printing soon
Off on a Comet! A Journey Through Planetary Space, hardcoverHardcover · 6 × 9 in · printing soon
About this book

What if a comet brushes Earth and carries you away from everything you know?

In Jules Verne’s Off on a Comet! A Journey Through Planetary Space, a strange night in French Algeria changes Captain Hector Servadac’s world. A comet carries a small group of people away from Earth. Brave, cheerful and a little vain, Servadac faces a task no soldier expects: helping a scattered band of survivors make sense of their new surroundings.

His loyal orderly Ben Zoof brings talk and good humor, while Count Timascheff and Lieutenant Procope help lead the group. Astronomer Palmyrin Rosette understands the comet Gallia, but cares more for it than for his companions. Survival demands more than courage. The people aboard this strange world must learn how it works before they can decide what to do.

What you’ll discover

  • A world turned strange Follow familiar people into unfamiliar surroundings, where every strange fact raises a practical question.
  • A cheerful unlikely leader Meet Hector Servadac, whose courage and good humor help him face an extraordinary crisis.
  • A difficult brilliant astronomer Discover Rosette’s consuming interest in Gallia, and the friction his sharp tongue brings.
  • Science with a purpose Explore explanations that matter because the survivors need knowledge before they can plan.
  • Courage through cooperation Watch a loose community confront shared danger through reason, leadership and the work of surviving.

Who will love it

Readers who love old-fashioned adventure, playful science and comic odd couples will enjoy this book. It suits anyone curious about the planets or fond of warm-hearted mysteries.

What’s inside

The key ideas, in the 15-minute summary

  1. An ordinary quarrel meets sudden danger
  2. The familiar world stops making sense
  3. Careful observation reveals an isolated island
  4. Shared danger brings rivals together
  5. National pride survives a changed world
  6. Scattered clues offer hope and direction
  7. Survivors begin building a shared home
  8. Kindness and invention drive a rescue
  9. Humor keeps company with real danger

Who’s who

  • Captain Hector ServadacA cheerful, brave staff officer and amateur poet who becomes governor of the strange new colony and wants to understand what has happened.
  • Ben ZoofThe captain's loyal orderly from Montmartre, always joking, who defends his home hill against every comparison and stays at his master's side.
  • Count Wassili TimascheffA calm Russian nobleman and the captain's rival in love, who becomes his friend and leads with faith and good manners.
  • Lieutenant ProcopeThe skilled young commander of the count's yacht, who solves navigation puzzles and proposes bold plans for survival.
  • Professor Palmyrin RosetteServadac's old science teacher, a vain and irritable astronomer who holds the key to the mystery and guards it fiercely.
  • NinaA small Italian girl found alone on an islet with her goat, who brings warmth and courage to the whole community.
  • Isaac HakkabutA German merchant and miser who cares only for his cargo and his gold, and who is mocked by almost everyone.
  • Colonel Murphy and Major OliphantTwo British officers on a rock who play chess, keep proper manners, and wait for England to send a ship.

Read free up to chapter 2

Formats and delivery
eBook
On your phone, tablet, computer or Kindle, with the type as large as you like.
Large-print eBook
The same book in bigger, clearer type, from the first page.
Audiobook
Read by Lucas Linden, complete. It opens once the recording is online.
15-minute summary
The key ideas in about 15 minutes, to read today.
Paperback
6 × 9 in. Printing soon: leave your email under Paperback or Hardcover above.
Hardcover
6 × 9 in. Printing soon: leave your email under Paperback or Hardcover above.
Large print paperback
8.5 × 11 in. Printing soon: leave your email under Paperback or Hardcover above.
Large print hardcover
8.5 × 11 in. Printing soon: leave your email under Paperback or Hardcover above.

Every printed copy is made when you order it and shipped worldwide; shipping is shown at checkout. The eBook and the audiobook open when the book texts go online.

How it works
  1. Start free. Nothing to pay today; the eBook of this book is yours to keep.
  2. Read, listen and print. 200,000+ classics as eBook, large-print eBook, audiobook and 15-minute summary, and any book printed at cost as a paperback, hardcover or large print, 5 accounts for the price of one.
  3. We remind you first. Free for 3 months, and we email you 7 days before your first payment. Then USD 0.14 a day in your first year on the yearly plan and USD 0.27 a day after, or USD 0.66 a day on the monthly plan. Cancel online in two clicks.

Bought on its own? Every eBook, audiobook and printed book you buy without the plan carries our 30-day money-back guarantee.

Start the yearly plan free · Start the monthly plan free

25 languages, side by side

Off on a Comet! A Journey Through Planetary Space in 25 languages, side by side, paragraph by paragraph, once the book texts are online: the way to learn a language with a book you love.

Science Fiction

Off on a Comet! A Journey Through Planetary Space

by Jules Verne · 1877

A French captain and a Russian count arrange a duel, then the sun begins to rise in the west.

Medium level5–10 hours to read20 languages

Learn a language with medium classicsSpanishFrenchGermanItalianJapanesePortugueseEnglishHow we measure levels

Format: eBook
Type size: Standard

Free for 3 months · starts right away, on any device

Read free3 months free · cancel anytime

Free for 3 months, then USD 0.14 a dayCancel anytimeHow it works

Or buy the eBook only · USD 6.95
We accept Visa, Mastercard, PayPal, Apple Pay, Google Pay, Shop Pay.
  • Read or listen
  • 25 languages, side by side
  • Print and large print at cost
  • 5 accounts for the price of one
Give this book as a gift
“We are all, in one way or another, the children of Jules Verne.”
Ray BradburyAmerican author and screenwriter

In short

Two men agree to fight a sword duel at nine o'clock on New Year's morning, and they even agree on a false reason: a quarrel about music. Then the ground heaves, the sun rises in the wrong place, and a jackal clears thirty feet in a single bound.

Off on a Comet! A Journey Through Planetary Space by Jules Verne, the cover

Off on a Comet! A Journey Through Planetary Space at a glance

Reading time
About 6 h 15 min4 h 55 min fast, 7 h 25 min slow
Length
88,800 words
Library level
Medium longer sentences, everyday words
First published
1877by Jules Verne

Reading time at 238 words a minute (fast 300, slow 200). How long the classics take to read · Updated

From the 15-minute summary · Key idea 1

A duel and a poem open the story

The book opens on December 31 on the Algerian coast. Captain Hector Servadac and Count Wassili Timascheff, a Russian aide to the Czar, agree to settle a quarrel with swords the next morning. Both admire the same young widow. They decide to tell everyone the cause is music, with the count defending Wagner and the captain defending Rossini.

Read every key idea free

Free for 3 months · Cancel anytime

Which edition is right for me
eBook
On your phone, tablet or computer. Your place follows you, and you can make the type as big as you like.
15-minute summary
The key ideas of the whole book in about 15 minutes. A good first look, or a refresher.
Details
First published
1877
Language
English
Level
Medium level

Cite this edition

Verne, Jules. Off on a Comet! A Journey Through Planetary Space. Library of Alexandria, 2026, libraryofalexandria.com/products/off-on-a-comet-a-journey-through-planetary-space.

Free gifts

USD 580 in free gifts when you start

Every book in every format and in 25 languages, 5 accounts for the price of one. Nothing to pay today.

Try 3 months freeFree for 3 months · Renews every year · Cancel anytime
  • 200,000+ classic eBooksIn 25 languages, side by sideUSD 170FREE
  • Every audiobookIn 25 languages, any deviceUSD 120FREE
  • 15-minute summariesRead or listen, in 25 languagesUSD 60FREE
  • Print at cost, no markupPaperback, hardcover, large printUSD 60FREE
  • 5 accounts for the price of oneA shelf for everyone at homeUSD 170FREE
  • A part in rebuilding the libraryNew languages and books for allFREE

Questions about Off on a Comet! A Journey Through Planetary Space

Can I read it free?

Yes. The first key idea of the 15-minute summary is free with no sign-up. Start free and the whole book is yours for 3 months, with the eBook to keep, plus 200,000+ more classics and any book printed at cost as a paperback, hardcover or large print. Nothing to pay today: we email you 7 days before your first payment, and you can cancel online in two clicks.

Can I buy the printed book?

Soon. The paperback, hardcover and large print editions are being prepared. Choose Paperback or Hardcover above, leave your email, and we tell you the day you can order it, printed at cost.

How many accounts do I get?

Five, for the price of one: you and 4 more people, each with their own login, shelf and their own place in every book.

Can I cancel anytime?

Yes. Cancel online in two clicks at any time and nothing more is charged. Nothing is charged in your first 3 months, and we email you 7 days before your first payment.

What is Off on a Comet! about?

A French army captain in Algeria and his orderly find that a mysterious shock has changed the sun, gravity and the shape of the land. They join a Russian count on a voyage to learn what happened and find survivors.

Who wrote Off on a Comet! and when?

Jules Verne, the French author of many travel and science adventures, wrote it in the nineteenth century. It is one of his planetary stories and mixes comedy with real astronomy of its time.

Who is Ben Zoof?

Ben Zoof is Captain Servadac's orderly and devoted friend. He comes from Montmartre in Paris, which he believes is the greatest place on earth. His jokes and loyalty give the book much of its humor and warmth.

The author

Jules Verne

1828–1905 · French adventure novelist

Jules Verne was a French writer born in Nantes in 1828. He lived in Paris and later in Amiens, where he died in 1905. His novels include Journey to the Centre of the Earth (1864), Twenty Thousand Leagues under the Sea (1870), and Around the World in Eighty Days (1873).

“Never despair!”
Off on a Comet! A Journey Through Planetary Space, the motto in the mysterious messages found at sea

More by Jules Verne

See all their books

More like this

Our mission

The library burned once. We are building it back.

Every great book, in every language and every format, for every family. Every plan helps pay for new languages, new audiobooks and books for readers who have never had them. Join the movement.

Read our story
  • Every language25 languages today, side by side, and more every year
  • No wastePrinted on demand: no warehouses, no unsold stock, no pulped copies
  • For everyonePaperback, hardcover and large print at the cost of printing

Popular in science fiction

See all
Off on a Comet! A Journey Through Planetary SpaceFree for 3 months · nothing to pay today
Read free