Books like Unforgettable
Caroline B. Cooney
Unforgettable is 280 pages, about 5 hours 8 minutes at 250 words a minute.
7 books to read next
How long each takes
The Girl Who Was Supposed to Die 3.9 h 
Hits and Misses 4.1 h 
They Never Came Home 3.5 h Call of the Wraith 9.4 h 
The Swami's Ring 3.5 h 
With Malice 6.0 h 
Kyle XY 3.5 h Bar height shows length. Estimated at 250 words a minute.