About This Book
Three thousand unusual facts are grouped in almost 100 different categories, including "About Kings," "America's Revolution," "Animal World," "Energy" "Into the Air," "Laws," "Military Secrets," "Solar System," and "Words."
Reading Time Estimates
13h 14m
slow reader
180 WPM
9h 32m
average reader
250 WPM
6h 49m
fast reader
350 WPM
π 143,000 wordsπ
20 days at 30 min/day
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WPM
Reading time
9 h 32 min
at 250 words per minute
Audiobook (1.5x)
10 h 36 min
at 1.5x narration speed
Audio 1x
15 h 53 min
Audio 2x
7 h 57 min
That's about:
- π 20 daysΒ reading 30 min/day
- π20 commutesΒ of 30 min each