About This Book
From the New York Timesβbestselling Goosebumps series, a boy thinks invisibility is a cool superpower, until an invisible friend inhabits his bedroom. Sammy Jacobs is into ghosts and science fiction. Not exactly the smartest hobbyβat least not if you ask Sammy's parents. They're research scientists...
More by R. L. Stine
Related Genres
Reading Time Estimates
2h 59m
slow reader
180 WPM
2h 9m
average reader
250 WPM
1h 32m
fast reader
350 WPM
π 32,175 wordsπ
5 days at 30 min/day
How Long Will It Take You?
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WPM
Reading time
2 h 9 min
at 250 words per minute
Audiobook (1.5x)
2 h 23 min
at 1.5x narration speed
Audio 1x
3 h 35 min
Audio 2x
1 h 47 min
That's about:
- π 5 daysΒ reading 30 min/day
- π5 commutesΒ of 30 min each