Bruce W. Hayward is a retired geologist and marine ecologist based in Auckland. He is a former member of the Auckland Conservation Board and New Zealand Conservation Authority, and former president of the Geological Society of New Zealand. His wide interests in natural and human history have resulted in twenty previous books on topics as diverse as archaeology, the kauri timber and gum industries, the history of Auckland cinemas, New Zealand fossils, volcanoes, building stones and conservation; and, as joint author, the popular A Field Guide to Auckland. Alastair Jamieson is an Auckland-based ecologist and photographer who has documented the region's changing natural environment with aerial photography for over 25 years. You can see more of his images at www.wildearthmedia.com.