
Book · Thrillers and mysteries
Marble Hall Murders
by Anthony Horowitz
Page count, estimated reading time and reading quiz: everything to know before you start Marble Hall Murders, and the Vread challenge to get to the end.
- Pages
- 400
- Reading time
- ≈ 7 h 20 min
- Checkpoints
- 16
- Genre
- Thriller
Free on iPhone and Android.
How long does it take to read Marble Hall Murders?
At 400 pages, Marble Hall Murders is a fairly long book. Expect about 7 hours 20 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 15 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 day15 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: 16 checkpoints
- Checkpoint 1, page 25
- Checkpoint 2, page 50
- Checkpoint 3, page 75
- Checkpoint 4, page 100
- Checkpoint 5, page 125
- Checkpoint 6, page 150
- Checkpoint 7, page 175
- Checkpoint 8, page 200
- Checkpoint 9, page 225
- Checkpoint 10, page 250
- Checkpoint 11, page 275
- Checkpoint 12, page 300
- Checkpoint 13, page 325
- Checkpoint 14, page 350
- Checkpoint 15, page 375
- Checkpoint 16, page 400
In Vread, Marble Hall Murders is split into 16 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 16 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 Marble Hall Murders: 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 Marble Hall Murders?
How long does it take to read Marble Hall Murders?
Is there a quiz on Marble Hall Murders?
Where can I find a summary of Marble Hall Murders?
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Read Marble Hall Murders 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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