About This Book
NATIONAL BESTSELLER • “Exciting and provocative . . . A tour de force of a book that begs to be seen as well as to be read.”—The Washington Post Book World World renowned scientist Carl Sagan and acclaimed author Ann Druyan have written a Roots for the human species, a lucid and riveting account of...
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Reading Time Estimates
13h 27m
slow reader
180 WPM
9h 41m
average reader
250 WPM
6h 55m
fast reader
350 WPM
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Reading time
9 h 41 min
at 250 words per minute
Audiobook (1.5x)
10 h 45 min
at 1.5x narration speed
Audio 1x
16 h 8 min
Audio 2x
8 h 4 min
That's about:
- 📅20 days reading 30 min/day
- 🚇20 commutes of 30 min each
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