Sydney Cannings is a zoologist working on endangered species for the provincial government in Victoria, British Columbia. Richard Cannings works as a consulting biologist assessing endangered species and organizing broad-scale bird population surveys, among other projects. He is the author of The Rockies: A Natural History, and, with Sydney Cannings, British Columbia: A Natural History and The B.C. Roadside Naturalist. He lives in Penticton, British Columbia. JoAnne Nelson worked for eight years as a geologist for various exploration companies based in Vancouver and taught at the University of British Columbia. Later, she joined the British Columbia Geological Survey as a bedrock and metallic minerals mapping specialist. JoAnne is currently the lead BC Geological Survey geologist in a major project called Edges, which aims to study the origins and evolution of the Cordilleran mountain chain.