Reading time
How long does it take to read N or M??
N or M? by Agatha Christie is about 224 pages, so it takes about 4 hours at an average 238 words per minute — about 8 days at 30 minutes a day.
At an average reading speed
3 h 55 min
N or M? · Agatha Christie · first published 1941
- Pages
- 224
- 30 min a day
- 8 days
By reading speed
| Unhurried reader · 180 wpm | 5 h 11 min |
| Average adult · 238 wpm | 3 h 55 min |
| Quick reader · 300 wpm | 3 h 7 min |
| Very fast reader · 400 wpm | 2 h 20 min |
By daily habit
Your reading speed
| 15 minutes a day | 16 days |
| 30 minutes a day | 8 days |
| 45 minutes a day | 6 days |
| 60 minutes a day | 4 days |
Page count: median of 76 editions on Open Library. Times assume about 250 words per page. How we calculate.
#3 in Tommy and Tuppence
Next in the series: By the Pricking of My Thumbs (1968, 249 pages)
Your real reading speed
Time your sessions and Bookwisp learns how fast you actually read.
Start the timer when you open the book; it keeps running on your Lock Screen. Stop it, note your page, and your weekly minutes and streak update.

N or M?: reading time questions
- How many pages is N or M??
- N or M? is about 224 pages. That is the median across the 76 editions listed on Open Library; hardcover, paperback and large-print editions differ.
- How long does it take to read N or M??
- About 3 h 55 min at 238 words per minute, the average silent reading speed for adults. A quick reader at 300 words per minute needs about 3 h 7 min.
- How many days to read N or M? at 30 minutes a day?
- About 8 days. At 15 minutes a day it takes about 16 days, and at an hour a day about 4 days.
- What number is N or M? in the Tommy and Tuppence series?
- N or M? is book 3 in Tommy and Tuppence by Agatha Christie.
Books of about the same length
- Diary of a Wimpy KidJeff Kinney · 224 pages · 3 h 55 min
- Dog DaysJeff Kinney · 220 pages · 3 h 51 min
- The Hitchhiker's Guide to the GalaxyDouglas Adams · 216 pages · 3 h 47 min
- The Long HaulJeff Kinney · 218 pages · 3 h 49 min
- Wrecking BallJeff Kinney · 220 pages · 3 h 51 min
- Cabin FeverJeff Kinney · 218 pages · 3 h 49 min