Books like Shouldn't You Be in School?
Lemony Snicket, Seth
Shouldn't You Be in School? is 331 pages, about 6 hours 4 minutes at 250 words a minute.
12 books to read next
How long each takes
Too Hot to Handle 3.8 h 
The Clue in the Diary 3.4 h 
The Naturals 5.3 h 
All In 6.9 h 
Bad Blood 7.0 h 
Nate the Great Goes Undercover 52 min 
The Body in the Woods 5.1 h 
The Hardy Boys Detective Handbook 4.2 h 
A Tale of Two Castles 6.0 h 
The Westing Game 3.5 h 
When 6.1 h 
Paws Off, Cheddarface! 2.2 h Bar height shows length. Estimated at 250 words a minute.