
Book · Romance
The Constant Princess (The Plantagenet and Tudor Novels Book 4)
by Philippa Gregory
Page count, estimated reading time and reading quiz: everything to know before you start The Constant Princess (The Plantagenet and Tudor Novels Book 4), and the Vread challenge to get to the end.
- Pages
- 583
- Reading time
- ≈ 10 h 30 min
- Checkpoints
- 17
- Genre
- Romance
Free on iPhone and Android.
How long does it take to read The Constant Princess (The Plantagenet and Tudor Novels Book 4)?
At 583 pages, The Constant Princess (The Plantagenet and Tudor Novels Book 4) is a long book. Expect about 10 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 22 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 (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 day22 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: 17 checkpoints
- Checkpoint 1, page 34
- Checkpoint 2, page 69
- Checkpoint 3, page 103
- Checkpoint 4, page 137
- Checkpoint 5, page 171
- Checkpoint 6, page 206
- Checkpoint 7, page 240
- Checkpoint 8, page 274
- Checkpoint 9, page 309
- Checkpoint 10, page 343
- Checkpoint 11, page 377
- Checkpoint 12, page 412
- Checkpoint 13, page 446
- Checkpoint 14, page 480
- Checkpoint 15, page 514
- Checkpoint 16, page 549
- Checkpoint 17, page 583
In Vread, The Constant Princess (The Plantagenet and Tudor Novels Book 4) is split into 17 checkpoints, one every 34 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 17 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 The Constant Princess (The Plantagenet and Tudor Novels Book 4): 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 The Constant Princess (The Plantagenet and Tudor Novels Book 4)?
How long does it take to read The Constant Princess (The Plantagenet and Tudor Novels Book 4)?
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Where can I find a summary of The Constant Princess (The Plantagenet and Tudor Novels Book 4)?
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Read The Constant Princess (The Plantagenet and Tudor Novels Book 4) 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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