My daughter-in-law Amy saw this in the bookstore
and couldn't resist it for her CCL Mother-in-law.
I have done a some crafts- little finger puppets with their sheds.
This book by Kaori Tsutaya is translated from Japanese
by Amy Hirshman
To create yarn you must have long-haired cats, but the crafts
in this book can even use the hair from short-haired cats.