
Book · Fantasy and science fiction
Red Seas Under Red Skies
by Scott Lynch
Page count, estimated reading time and reading quiz: everything to know before you start Red Seas Under Red Skies, and the Vread challenge to get to the end.
- Pages
- 558
- Reading time
- ≈ 10 h 10 min
- Checkpoints
- 23
- Genre
- Fantasy, SF
Free on iPhone and Android.
How long does it take to read Red Seas Under Red Skies?
At 558 pages, Red Seas Under Red Skies is a long book. Expect about 10 hours 10 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 21 days of reading. At the median pace of Vread readers, 72 pages per reading day, it takes 8 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).
- 30 minutes a day21 days
- Vread median pace (72 pp./day)8 days
Estimates; see the method at the bottom of the page.
Prove you read it
The Vread challenge: 23 checkpoints
- Checkpoint 1, page 24
- Checkpoint 2, page 49
- Checkpoint 3, page 73
- Checkpoint 4, page 97
- Checkpoint 5, page 121
- Checkpoint 6, page 146
- Checkpoint 7, page 170
- Checkpoint 8, page 194
- Checkpoint 9, page 218
- Checkpoint 10, page 243
- Checkpoint 11, page 267
- Checkpoint 12, page 291
- Checkpoint 13, page 315
- Checkpoint 14, page 340
- Checkpoint 15, page 364
- Checkpoint 16, page 388
- Checkpoint 17, page 412
- Checkpoint 18, page 437
- Checkpoint 19, page 461
- Checkpoint 20, page 485
- Checkpoint 21, page 509
- Checkpoint 22, page 534
- Checkpoint 23, page 558
In Vread, Red Seas Under Red Skies is split into 23 checkpoints, one every 24 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 23 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 Red Seas Under Red Skies: 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 Red Seas Under Red Skies?
How long does it take to read Red Seas Under Red Skies?
Is there a quiz on Red Seas Under Red Skies?
Where can I find a summary of Red Seas Under Red Skies?
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Read Red Seas Under Red Skies 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.
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