These laminated, fold-up identification guides-- FoldingGuides-- speak for themselves. Written and illustrated by local experts, their waterproof and indestructible, the perfect choice for beginners and intermediates. This guide includes 31 species of cacti, both common and exotic, including fishhooks, chollas, hedgehogs, prickly pears and others found in the desert Southwest. The range includes TS, AZ, NM, NV, UT, CO, and southern CA.