About This Book
Over 1 & 1/2 Million FREE Alford Books (A-Books) have been downloaded via Google Play to global people in 60 countries. We would like to share our books with you too. A-Books are easy to understand Science, Technology, English and Math (STEM). Millions of Global readers benefit by learning about STE...
More by Douglas J Alford
Reading Time Estimates
1h 47m
slow reader
180 WPM
1h 17m
average reader
250 WPM
0h 55m
fast reader
350 WPM
π 19,250 wordsπ
3 days at 30 min/day
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WPM
Reading time
1 h 17 min
at 250 words per minute
Audiobook (1.5x)
1 h 26 min
at 1.5x narration speed
Audio 1x
2 h 8 min
Audio 2x
1 h 4 min
That's about:
- π 3 daysΒ reading 30 min/day
- π3 commutesΒ of 30 min each