Books like In the Time of Dinosaurs
K. A. Applegate
In the Time of Dinosaurs is 233 pages, about 4 hours 16 minutes at 250 words a minute.
12 books to read next
How long each takes
A Wrinkle in Time 3.9 h 
The Adventures of Captain Underpants 2.4 h 
Scarlet 9.2 h 
Cress 10.3 h 
Skyward 9.7 h 
A Swiftly Tilting Planet 5.1 h 
The Power of Six 7.5 h 
The Infinite Sea 6.2 h 
Rex 2 53 min 
My Teacher Is an Alien 2.3 h 
The White Mountains 3.2 h 
Fairest 5.0 h Bar height shows length. Estimated at 250 words a minute.