Books like The Mystery of the Disappearing Cat
Enid Blyton
The Mystery of the Disappearing Cat is 168 pages, about 3 hours 5 minutes at 250 words a minute.
12 books to read next
How long each takes
Dog Man 4.4 h 
Dog Man and Cat Kid 4.7 h 
Dog Man Unleashed 4.1 h 
Rising Storm 5.9 h 
Forest of Secrets 6.2 h 
The Incredible Journey 2.7 h 
The Sight 6.7 h 
Outcast 6.5 h 
Varjak Paw 4.7 h 
The Fourth Apprentice 6.8 h 
Bluestar's Prophecy 9.9 h 
Eclipse 6.8 h Bar height shows length. Estimated at 250 words a minute.