The Field Guide to Fleece by Deborah Robson & Carol Ekarius

The Field Guide to Fleece: 100 Sheep Breeds and How to Use Their Fibers 

With this compact portable reference in hand, crafters can quickly and easily look up any of 100 different sheep breeds, the characteristics of their fleece, and the kinds of projects for which their fleece is best suited. Each breed profile includes a photograph of the animal and information about its origin and conservation status, as well as the weight, staple length, fiber diameter, and natural colors of its fleece. This is a great primer for beginners, and a handy guide for anyone who loves working with fleece.