by Mary Kay Carson. The most recent publication in the Ranger Rick® Science Program in partnership with the National Wildlife Federation®, this booklet is an excellent introduction to the fascinating world of fungi. Topics include the mushroom life cycle, the science of mycology, and Fungal Friends and Foes. Full of beautiful full-color photographs, with a helpful glossary of mycological terms. 8 1/2 x 11 inches, 20 pages, softcover.