Leonard Cronin is one of Australia's foremost natural history authors. Trained as a biologist, he is a prolific writer of books and articles about the Australian flora, fauna and environment, bringing his own fascination with the natural world to the general reader. His books include the bestselling Key Guide series of field guides, Australian Flora, A Journey Through Ancient Kingdoms and Natural Wonders and The Australian Animal Atlas. He also contributes a monthly column about Australian wildlife to the ABC's Gardening Australia magazine.