A comprehensive study of the fleas of the region.
Robert E. Lewis (1929-2017) was a professor emeritus in the Department of Entomology at Iowa State University.
Joanne H. Lewis is co-author of The Fleas of the Pacific Northwest
Chris Maser spent over 20 years as a research scientist in natural history and ecology. He currently lives in Corvallis, Oregon, where he writes about and consults on sustainability issues. He is the author of numerous books, including Forest Primeval: The Natural History of an Ancient Forest (Oregon State University Press, 2001), and co-author of Fleas of the Pacific Northwest (Oregon State University Press, 1988).