Books like Dinosaur Hunter
Elaine Marie Alphin
Dinosaur Hunter is 48 pages, about 53 minutes at 250 words a minute.
6 books to read next
How long each takes
Valley of the Giant Skeletons 2.4 h 
Digging Up Dinosaurs 35 min 
Dinosaur 2.5 h 
Every Hidden Thing 6.8 h 
First Encyclopedia of Dinosaurs and Prehistoric Life 1.2 h 
Eyewitness Dinosaur 1.2 h Bar height shows length. Estimated at 250 words a minute.