Peter Menkhorst has been fascinated by Australia's flora and fauna for most of his life. He has participated in fauna surveys in many parts of Australia and has worked in wildlife research and management in Victoria for thirty-five years. He has published widely in the scientific and popular literature, including editing an Australian bird guide. Frank Knight worked as an illustrator for CSIRO for twenty-five years. He has been a member of and has exhibited with the Society of Animal Art in New York. He has also illustrated a number of natural history books, including an Australian bird guide.