Quick Reference Publishing.This 12-panel guide, conveniently folds up in to a packet narrow enough to fit in a back pocket, glovebox, or tackle box yet sturdy enough to stand up under repeated use – durable lamination also makes it waterproof. Size: 4”x 9” folded; 9” x 24.5” unfolded. About the Author Randall Babb is a biologist and an Arizona native. He is currently employed by Arizona Game and Fish Department. He has worked on numerous studies and projects in Arizona, New Mexico, southeastern U.S., Mexico, Central America, Vietnam, and southern Africa on small mammals, fish, reptiles and amphibians.