Cover of The Iron Heel

Jack London1908Science fiction

The Iron Heel

The Iron Heel by Jack London has 77,229 words, about 5 h 9 min of reading.

words
77,229
Reading time
5 h 9 min
Listening time
8 h 18 min

Standard Longer than 38% of the other 735 books here.

Compare with another bookAll books by Jack London

At a glance

1908 novel by Jack London.

Author
Jack London1876–1916
First published
1908
Original language
American English
Readers
Adult
Length
Standard40,000 to 80,000 words
Readers' rating
3.7 out of 5from 36 ratings on Hardcover

How long it takes to read

About 5 h 9 min at 250 words a minute, or 8 h 18 min as an audiobook.

Reading speedWhole bookAt 30 minutes a day
Careful200 words a minute6 h 26 min13 days
Average250 words a minute5 h 9 min11 days
Fast300 words a minute4 h 17 min9 days

The Iron Heel

Read or listen

The Iron Heel is in the public domain: these editions are free to download, read and share.

More by Jack London

All books by Jack London

Compared with other books

The books closest in length, and a few well-known ones for scale.

  1. 1War and PeaceLeo Tolstoy587,287Compare
  2. 2The Fellowship of the RingJ. R. R. Tolkien177,227Compare
  3. 3Pride and PrejudiceJane Austen121,970Compare
  4. 4The Problem of Cell 13Jacques Futrelle77,827Compare
  5. 5The Two MagicsHenry James77,342Compare
  6. 6The Iron HeelJack London77,229
  7. 7Northanger AbbeyJane Austen77,157Compare
  8. 8Harry Potter and the Philosopher's StoneJ. K. Rowling76,944Compare
  9. 9The Great GatsbyF. Scott Fitzgerald47,094Compare

Counted from the text

Automated estimates from the selected Project Gutenberg text; it may include a preface or notes.

Words in the text
88,316
Chapters
25about 3,533 words each
Dialogue
34%of the words are inside quotation marks
Average sentence
14.3 words
Vocabulary
420 different words in every 1,000Distinct words in the sampled text; this does not measure writing quality.

Where the numbers come from

The word count comes from the sources below.

The word count is Standard Ebooks’ count of its edition; the figures under “Counted from the text” are Musael’s own count of the Project Gutenberg text.

Checked on 2026-10-27. Page counts change from edition to edition. Cover from Open Library; the edition shown may differ.

Questions

How many words is The Iron Heel?

The Iron Heel by Jack London has 77,229 words.

How long does it take to read The Iron Heel?

About 5 h 9 min at 250 words a minute, or 8 h 18 min as an audiobook.

How many days to read The Iron Heel at 30 minutes a day?

About 11 days at an average reading speed.

Who wrote The Iron Heel?

The Iron Heel was written by Jack London and first published in 1908.

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