Books like Fifty Shades Darker
E. L. James
Fifty Shades Darker is 583 pages, about 10 hours 41 minutes at 250 words a minute.
12 books to read next
How long each takes
Beauty's Punishment 4.3 h 
The Claiming of Sleeping Beauty 5.0 h 
The Notebook 4.5 h 
When Strangers Marry 7.2 h 
A Night of No Return 3.5 h 
To Sir Phillip, With Love 7.0 h 
Beauty's Release 4.7 h 
1Q84 [1&2/3] 14.4 h 
Hardwired 5.3 h 
The Truce 3.4 h 
Tuya 2.9 h 
Stolen Charms 6.8 h Bar height shows length. Estimated at 250 words a minute.