Books like Survival of the Fittest
Carolyn Keene
Survival of the Fittest is 150 pages, about 2 hours 45 minutes at 250 words a minute.
8 books to read next
How long each takes
The Edge 6.0 h 
Scooby-Doo! and the Creepy Chef 26 min 
A Matter of Choice 4.7 h 
Mad House 1.8 h 
High Stakes 4.1 h 
The Ocean of Osyria 1.8 h 
The Deadliest Stunt 2.1 h 
The Hardy Boys and Nancy Drew Meet Dracula 2.9 h Bar height shows length. Estimated at 250 words a minute.