Derek Johnson
Derek Johnson is a plant ecologist with the Northern Forestry Centre in Edmonton where he is responsible for environmental impact assessment. He has spent many years researching peatlands in the boreal forest.

Linda Kershaw
LINDA KERSHAW is the best-selling author of a number of nature books published by Lone Pine. She is a career botanist who has consulted and done research for Environment Canada, the World Wildlife Fund, the Alberta Forest Service, the Canadian Forest Service and the University of Alberta. Her extensive field work has taken her into the vast Canadian boreal forest as well as above the treeline in the Rocky Mountains, on Ellesmere Island and in New Zealand. Linda now works as a writer and editor when not pursuing two of her favourite pastimes--photography and illustration. Much of her fieldwork over the past 25 years has focused on the long-term environmental effects of human disturbances in the Mackenzie Mountains and Mackenzie River Basin, NWT. She also has a special interest in rare and endangered species. Linda has worked as a researcher and consultant for Environment Canada, the World Wildlife Fund, the Alberta Forest Service, the Canadian Forest Service and the University of Alberta. She has authored or contributed to dozens of field guides and scholarly papers. Linda's books published by Lone Pine Publishing include Wetland Plants of Ontario, Plants of the Western Boreal Forest and Aspen Parkland, Plants of the Rocky Mountains, Edible and Medicinal Plants of the Rockies and the Rocky Mountain Nature Guide, Trees of Ontario, Alberta Wayside Wildflowers, Saskatchewan Wildflowers and Manitoba Wayside Wildflowers. Linda was born in Collingwood, Ontario, and completed her graduate studies at the University of Waterloo. She now makes her home on an Alberta acreage, where she works as a writer and editor when not pursuing two favourite pastimes-photography and illustration.

Andy MacKinnon
ANDY MACKINNON is a respected biologist who serves as a technical advisor on old growth forest research to the B.C. Ministry of Forests. MacKinnon, also a registered professional forester, is adjunct professor at the School of Resource and Environmental Management, Simon Fraser University. He is the author of six Lone Pine books on the plants of Western Canada and the Pacific Northwest.