Books like The Poison Frog Mystery
Gertrude Chandler Warner
The Poison Frog Mystery is 130 pages, about 2 hours 23 minutes at 250 words a minute.
12 books to read next
How long each takes
Lion Down 6.5 h 
The Secret Zoo 4.6 h 
The Bad Beginning 3.2 h 
Kristy's Big Day (The Baby-Sitters Club #6) 2.8 h 
Into the Gauntlet 5.7 h 
Belly Up 5.4 h 
The Viper's Nest 3.2 h 
The Beasties 3.6 h 
Poached 6.5 h 
The Reptile Room 3.5 h 
The Wide Window 3.9 h 
The Miserable Mill 3.7 h Bar height shows length. Estimated at 250 words a minute.