Books like Creative Origami
Kunihiko Kasahara
Creative Origami is 177 pages, about 3 hours 15 minutes at 250 words a minute.
6 books to read next
How long each takes
The Encyclopedia of Origami & Papercraft Techniques 3.5 h 
Genuine Origami 2.9 h 
Origami Ikebana 2.4 h 
Origami and Papercraft 2.3 h 
Trash Origami 1.8 h 
Origami Card Craft 2.4 h Bar height shows length. Estimated at 250 words a minute.