Books like Napalm & Silly Putty
George Carlin
Napalm & Silly Putty is 269 pages, about 4 hours 56 minutes at 250 words a minute.
6 books to read next
How long each takes
The Devil's Dictionary 4.2 h 
A Supposedly Fun Thing I'll Never Do Again 6.5 h 
When You Are Engulfed in Flames 5.9 h 
I Am America 4.3 h 
Barrel Fever 4.7 h 
Stuff White People Like 3.9 h Bar height shows length. Estimated at 250 words a minute.