Malcolm Furniss, a former research entomologist with the USDA Forest Service and top authority on bark beetles of western North America, passes on the practical information he has amassed during many years of studying bark beetles in the field.

James B. "Ding" Johnson, professor of entomology at the University of Idaho, is head of the Idaho Insect Survey, curator of the University of Idaho's William F. Barr Entomological Museum, and a popular teacher of insect identification and other courses.