The fleece & fiber sourcebook : more than 200 fibers from animal to spun yarn by Deborah Robson & Carol Ekarius — Have you ever wondered about the differences between various kinds of yarn? How is Merino defined, and what are the different types? What are all the animals from which fiber can be collected? What exactly is Cheviot? This book explains all that and much more. Large photographs make the illustrations quite clear and the background information for each type of animal and fiber is detailed and of interest to all fiber enthusiasts.