Mac Barnett books in order
11 books in the catalogue, about 26 hours of reading in all; the shortest takes 35 minutes and the longest 5 hours.
11 standalone books in the catalogue.
Standalone books
Extra Yarn 44 min 
It Happened on a Train 5.1 h 
The Terrible Two 4.1 h 
President Taft Is Stuck in the Bath 35 min 
Sam & Dave Dig a Hole 44 min 
Terrible Two Get Worse 4.0 h 
The Wolf, the Duck, and the Mouse 44 min 
Triangle 53 min 
Square 43 min 
Terrible Two's Last Laugh 4.1 h 
The Terrible Two Go Wild 4.1 h