Books like The Voyage of the Frog
Gary Paulsen
The Voyage of the Frog is 141 pages, about 2 hours 35 minutes at 250 words a minute.
12 books to read next
How long each takes
Unwind 6.5 h 
I Survived the Shark Attacks of 1916 2.3 h 
Kensuke's Kingdom 3.0 h 
The Cay 2.6 h 
The Swiss Family Robinson 6.3 h 
Call It Courage 2.1 h 
Wave 44 min 
The Coral Island 4.7 h 
Ashes 8.8 h 
Ninth Ward 4.0 h 
Storm Thief 5.9 h 
Darkness Falls 5.9 h Bar height shows length. Estimated at 250 words a minute.