Book overview Discover the Red-bellied Turtle, which is nearly extinct. Uncover a Garter Snake in your backyard. Locate an Alligator Lizard-or a Legless one. Identifying reptiles is fascinating and fun with this classic guide. Abundant illustrations and the Key Characteristic system, preferred by professional, make this single-volume reference an outstanding choice for nature projects, collectors of all ages, and scientific study. -All of North America in one volume -278 species and 500 subspecies in 22 families...plus 18 exotics -Illustrations, include juveniles and adults, body forms, undersides, scales, and more! -Text, range maps, and illustrations seen together at a glance -Common and scientific names -Convenient measuring rules ...Plus first aid information for snakebites.