Book · Fantasy and science fiction
Lightbringer 1 - The Black Prism
by Brent Weeks
Page count, estimated reading time and reading quiz: everything to know before you start Lightbringer 1 - The Black Prism, and the Vread challenge to get to the end.
- Pages
- 640
- Reading time
- ≈ 11 h 40 min
- Checkpoints
- 21
- Genre
- Fantasy, SF
Free on iPhone and Android.
How long does it take to read Lightbringer 1 - The Black Prism?
At 640 pages, Lightbringer 1 - The Black Prism is a long book. Expect about 11 hours 40 minutes 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 24 days of reading. At the median pace of Vread readers, 72 pages per reading day, it takes 9 reading days. For a book of this length (600 pages or more), Vread readers who finish it take a median of 6.4 days between the first and the last checkpoint (Vread Reading Barometer 2026).
- 30 minutes a day24 days
- Vread median pace (72 pp./day)9 days
Estimates; see the method at the bottom of the page.
Prove you read it
The Vread challenge: 21 checkpoints
- Checkpoint 1, page 30
- Checkpoint 2, page 61
- Checkpoint 3, page 91
- Checkpoint 4, page 122
- Checkpoint 5, page 152
- Checkpoint 6, page 183
- Checkpoint 7, page 213
- Checkpoint 8, page 244
- Checkpoint 9, page 274
- Checkpoint 10, page 305
- Checkpoint 11, page 335
- Checkpoint 12, page 366
- Checkpoint 13, page 396
- Checkpoint 14, page 427
- Checkpoint 15, page 457
- Checkpoint 16, page 488
- Checkpoint 17, page 518
- Checkpoint 18, page 549
- Checkpoint 19, page 579
- Checkpoint 20, page 610
- Checkpoint 21, page 640
In Vread, Lightbringer 1 - The Black Prism is split into 21 checkpoints, one every 30 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 21 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
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 Lightbringer 1 - The Black Prism: 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 Lightbringer 1 - The Black Prism?
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Is there a quiz on Lightbringer 1 - The Black Prism?
Where can I find a summary of Lightbringer 1 - The Black Prism?
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