Books like Origami Omnibus
Kunihiko Kasahara
Origami Omnibus is 384 pages, about 7 hours 2 minutes at 250 words a minute.
12 books to read next
How long each takes
Origami Zoo 3.0 h 
Trash Origami 1.8 h 
Origami Card Craft 2.4 h 
Genuine Origami 2.9 h 
Easy Origami 52 min 
Advanced Origami 2.5 h 
Origami Sea Life 3.5 h 
The Paper Menagerie and Other Stories 8.5 h 
The World of Origami 4.8 h 
Wings & Things 2.3 h 
World's Best Origami 5.7 h 
Complete Origami 3.5 h Bar height shows length. Estimated at 250 words a minute.