Rob Strachan. This book will help you solve the mystery of who made that footprint, dug that hole or nibbled that nut. It includes detailed identity parades, pointing out the distinguishing features of each species, as well as a forensics section for analyzing the evidence. Here is full guide to field signs, illustrated in great detail, plus odor guide, frequency guide to bat echolocation, guide to snuffle holes, and eyeshine guide. 128 pgs, Softcover