
Book · Fantasy and science fiction
Throne of Glass
by Sarah J. Maas
Page count, estimated reading time and reading quiz: everything to know before you start Throne of Glass, and the Vread challenge to get to the end.
- Pages
- 416
- Reading time
- ≈ 7 h 30 min
- Checkpoints
- 12
- Genre
- Fantasy, SF
Free on iPhone and Android.
How long does it take to read Throne of Glass?
At 416 pages, Throne of Glass is a fairly long book. Expect about 7 hours 30 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 16 days of reading. At the median pace of Vread readers, 72 pages per reading day, it takes 6 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 day16 days
- Vread median pace (72 pp./day)6 days
Estimates; see the method at the bottom of the page.
Prove you read it
The Vread challenge: 12 checkpoints
- Checkpoint 1, page 35
- Checkpoint 2, page 69
- Checkpoint 3, page 104
- Checkpoint 4, page 139
- Checkpoint 5, page 173
- Checkpoint 6, page 208
- Checkpoint 7, page 243
- Checkpoint 8, page 277
- Checkpoint 9, page 312
- Checkpoint 10, page 347
- Checkpoint 11, page 381
- Checkpoint 12, page 416
In Vread, Throne of Glass is split into 12 checkpoints, one every 35 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 12 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 Throne of Glass: 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 Throne of Glass?
How long does it take to read Throne of Glass?
Is there a quiz on Throne of Glass?
Where can I find a summary of Throne of Glass?
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Read Throne of Glass 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