"A Visitor's Guide to 20 Plants on the Desert Discovery Trail" is a vintage first edition picture book published by Phoenix in 1997. The book, part of the ALF series, is intended for young adults, ages 9-12, and adults interested in outdoor and nature subjects. It features illustrations of 20 different desert plants, making it a valuable resource for those interested in botany and the natural world. This nonfiction book provides a detailed look at the plants found along the Desert Discovery Trail, making it a must-have for nature enthusiasts.