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Jules VerneScience fiction
Off on a Comet! a Journey Through Planetary Space by Jules Verne has 101,315 words, about 6 h 45 min of reading.
Long Longer than 55% of the other 735 books here.
About 6 h 45 min at 250 words a minute, or 10 h 54 min as an audiobook.
| Reading speed | Whole book | At 30 minutes a day |
|---|---|---|
| Careful200 words a minute | 8 h 27 min | 17 days |
| Average250 words a minute | 6 h 45 min | 14 days |
| Fast300 words a minute | 5 h 38 min | 12 days |
Off on a Comet! a Journey Through Planetary Space

Read
A free edition from Project Gutenberg, ready for any e-reader, tablet or phone.
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The Mysterious IslandJules Verne161,727 words
Twenty Thousand Leagues Under the SeasJules Verne138,138 words
Twenty Thousand Leagues Under the SeaJules Verne104,935 words
Journey to the Centre of the EarthJules Verne85,059 words
Godfrey MorganJules Verne56,439 words
From the Earth to the MoonJules Verne50,705 wordsThe books closest in length, and a few well-known ones for scale.
Automated estimates from the selected Project Gutenberg text; it may include a preface or notes.
The word count comes from the sources below.
The word count is Musael’s own count of the Project Gutenberg text, which can include a preface or notes.
Checked on 2026-10-27. Page counts change from edition to edition.
Off on a Comet! a Journey Through Planetary Space by Jules Verne has 101,315 words.
About 6 h 45 min at 250 words a minute, or 10 h 54 min as an audiobook.
About 14 days at an average reading speed.
Musael counts every chapter as you write, keeps the plan beside the draft and checks names and facts across the book.