Books like The Mystery of the Lake Monster
Gertrude Chandler Warner
The Mystery of the Lake Monster is 112 pages, about 2 hours 3 minutes at 250 words a minute.
12 books to read next
How long each takes
Gone-Away Lake 3.7 h 
Shadow and Bone 6.5 h 
Godzilla 2.0 h 
The Bad Beginning 3.2 h 
Kristy's Big Day (The Baby-Sitters Club #6) 2.8 h 
Siege and Storm 7.9 h 
Into the Gauntlet 5.7 h 
Ruin and Rising 7.9 h 
The Viper's Nest 3.2 h 
The Reptile Room 3.5 h 
The Wide Window 3.9 h 
Secret at Mystic Lake 2.9 h Bar height shows length. Estimated at 250 words a minute.