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Cover of Thinking, Fast and Slow by Daniel Kahneman

Book · Non-fiction, memoir and self-help

Thinking, Fast and Slow

by Daniel Kahneman

Page count, estimated reading time and reading quiz: everything to know before you start Thinking, Fast and Slow, and the Vread challenge to get to the end.

Pages
499
Reading time
≈ 9 h
Checkpoints
20
Genre
Non-fiction
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Free on iPhone and Android.

How long does it take to read Thinking, Fast and Slow?

At 499 pages, Thinking, Fast and Slow is a fairly long book. Expect about 9 hours of reading to finish it, based on 250 words per page and an average reading speed of 230 words per minute. A fast reader will go quicker; a careful read (or reading in a second language) will take longer.

At 30 minutes a day, that is about 19 days of reading. At the median pace of Vread readers, 72 pages per reading day, it takes 7 reading days. For a book of this length (400 to 599 pages), Vread readers who finish it take a median of 5.3 days between the first and the last checkpoint (Vread Reading Barometer 2026).

Reading days to finish it
30 minutes a day19 days
Vread median pace (72 pp./day)7 days

Estimates; see the method at the bottom of the page.

Prove you read it

The Vread challenge: 20 checkpoints

  1. Checkpoint 1, page 25
  2. Checkpoint 2, page 50
  3. Checkpoint 3, page 75
  4. Checkpoint 4, page 100
  5. Checkpoint 5, page 125
  6. Checkpoint 6, page 150
  7. Checkpoint 7, page 175
  8. Checkpoint 8, page 200
  9. Checkpoint 9, page 225
  10. Checkpoint 10, page 250
  11. Checkpoint 11, page 274
  12. Checkpoint 12, page 299
  13. Checkpoint 13, page 324
  14. Checkpoint 14, page 349
  15. Checkpoint 15, page 374
  16. Checkpoint 16, page 399
  17. Checkpoint 17, page 424
  18. Checkpoint 18, page 449
  19. Checkpoint 19, page 474
  20. Checkpoint 20, page 499

In Vread, Thinking, Fast and Slow is split into 20 checkpoints, one every 25 pages or so. At each checkpoint, a question covers the passage you have just read: a correct answer validates the step, and your progress moves forward like a training plan.

The challenge: validate all 20 checkpoints through to the last page. No giant quiz at the end, no summary to copy out: short questions along the way that prove the book was actually read. It also works as a reading quiz to check your understanding before a test.

Also available in French on Vread.

Illustrative example

Checkpoint 1/20pp. 1–25

What a checkpoint looks like

A short, precise question about the pages you have just read: a character, a place, a choice.

The answer is in the text: reply in the app.

This is not a question from Thinking, Fast and Slow: to avoid spoilers, the real questions stay in the app.

Answer in the app, one checkpoint at a time.

Summary, quiz, reviews: frequently asked questions

How many pages is Thinking, Fast and Slow?
The edition listed on Vread has 499 pages. The exact count varies by edition (paperback, hardback, ebook).
How long does it take to read Thinking, Fast and Slow?
About 9 hours of reading, or 19 days at 30 minutes a day.
Is there a quiz on Thinking, Fast and Slow?
Yes: the Vread app has 20 reading questions on Thinking, Fast and Slow, one per checkpoint, unlocked as you read.
Where can I find a summary of Thinking, Fast and Slow?
Vread does not publish summaries: the app supports reading the book itself, part by part. Checkpoint questions cover what you have just read, which makes them a good way to check you did not miss anything.

Read Thinking, Fast and Slow with Vread

Add the book to your library, read at your own pace in whatever format you use, and validate each checkpoint. Vread is free on iPhone and Android.

Take the challenge

Written by Vread from its catalogue data (page count of the listed edition, checkpoints, ratings aggregated from 10 ratings). No summary or publisher text is reproduced. Reading times are estimates; see the method in the Vread Reading Barometer (in French).