Peterson's Field Guide to Mushrooms. AUTHORS: Kent H. McNight & Vera McKnight. This mushroom field guide covers more than 1000 species in detail. Contains over 700 paintings and drawings to reveal subtle identification marks that don't always show up well in photos. Designed for hard field use with a sturdy binding and stout cover. Soft Cover, 430 4.5" x 7" pages. To Order By Phone Call Toll Free: 866-596-9982