In his new preface Bernd Heinrich ranges from Maine to Alaska and north to the Arctic as he summarizes findings from continuing investigations over the past twenty-five years--by him and others--into the wondrous "energy economy" of bumblebees.

Bernd Heinrich is Professor of Biology at the University of Vermont. He has written several memoirs of his life in science and nature, including One Man’s Owl, and Ravens in Winter. Bumblebee Economics was twice a nominee for the American Book Award in Science, and A Year in the Maine Woods won the 1995 Rutstrum Authors’ Award for Literary Excellence.

Read More by Bernd Heinrich:

• The Hot-Blooded Insects: Strategies and Mechanisms of Thermoregulation
• In a Patch of Fireweed: A Biologist's Life in the Field
• Egg & Nest