Books like Doctor Dolittle's Post Office
Hugh Lofting
Doctor Dolittle's Post Office is 298 pages, about 5 hours 28 minutes at 250 words a minute.
12 books to read next
How long each takes
Charlotte's Web 3.4 h 
Alice's Adventures in Wonderland 2.5 h 
Redwall 6.5 h 
Harold and the Purple Crayon 1.2 h 
Fire and Ice 6.3 h 
Bone 4.3 h 
Gregor the Overlander 5.7 h 
The Fourth Apprentice 6.8 h 
Bluestar's Prophecy 9.9 h 
Mossflower 7.9 h 
Gregor and the Prophecy of Bane 5.7 h 
Mattimeo 8.2 h Bar height shows length. Estimated at 250 words a minute.