Books like Cliff's Notes on Catcher in the Rye
Robert B. Kaplan
Cliff's Notes on Catcher in the Rye is 58 pages, about 1 hour 4 minutes at 250 words a minute.
9 books to read next
How long each takes
Playing in the Dark 1.7 h 
How Long 'Til Black Future Month 7.5 h 
Red Comet 21.7 h 
Heaven's Reach 10.2 h 
Black Girl, Call Home 4.5 h 
The Sleepwalkers Guide To Dancing 9.2 h 
Lost Names 3.6 h 
Got a Minute? 4.2 h 
The Prairie Dreams Trilogy 17.6 h Bar height shows length. Estimated at 250 words a minute.