Books like Magic Tree House
Mary Pope Osborne
Magic Tree House is 157 pages, about 2 hours 53 minutes at 250 words a minute.
10 books to read next
How long each takes
Artemis Fowl 5.3 h 
Test of the Twins 7.3 h 
All the Birds in the Sky 6.4 h 
Dance of the Gods 6.5 h 
The Rise and Fall of D.O.D.O. 14.0 h 
Queste 11.2 h 
A Dreamspun Christmas 7.0 h 
Divine By Blood 7.3 h 
The Invisibles 4.2 h 
A Distant Magic 6.5 h Bar height shows length. Estimated at 250 words a minute.