Books like So Long, and Thanks for All the Fish
Douglas Adams
So Long, and Thanks for All the Fish is 202 pages, about 3 hours 42 minutes at 250 words a minute.
12 books to read next
How long each takes
And Another Thing… 6.2 h 
Small Gods 6.4 h 
Thief of Time 7.0 h 
Out of the Silent Planet 3.2 h 
The Road to Reality 20.3 h 
Guards! Guards! 6.9 h 
The Light Fantastic 4.7 h 
Reaper Man 5.5 h 
Making Money 7.3 h 
Going Postal 7.6 h 
Pyramids 6.7 h 
Animal Farm / Nineteen Eighty-Four 6.6 h Bar height shows length. Estimated at 250 words a minute.