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Derrick Stone is a keen outdoors person who enjoys bushwalking and exploring new environments. He wrote Walks, Tracks and Trails of Victoria and Walks, Tracks and Trails of New South Wales (both published by CSIRO Publishing), has contributed to Victoria's National Parks and Melbourne's Great Outdoors, was joint author of Murray River Country, and has edited books about gold and gemstones. Derrick has further increased his knowledge of the natural environment through his profession as a freelance graphic designer with a long history of producing books associated with natural history.