Books like The Secret to Superhuman Strength
Alison Bechdel
The Secret to Superhuman Strength is 256 pages, about 4 hours 42 minutes at 250 words a minute.
12 books to read next
How long each takes
The Best We Could Do 6.2 h 
Solutions and Other Problems 9.7 h 
The Heroin Diaries 5.3 h 
Anne Frank's Diary 2.9 h 
I Was Their American Dream 2.9 h 
Good Talk 6.8 h 
March. Book Three 4.5 h 
Ethel & Ernest 1.9 h 
Grass 8.8 h 
Brazen 5.5 h 
L'Arabe du Futur, Tome 2 2.8 h 
Una Entre Muchas 3.8 h Bar height shows length. Estimated at 250 words a minute.