Michael Allaby is author of A Change in the Weather, A Chronology of Weather, and four volumes of the Biomes of the Weather series. Robert Coenraads, a leading gemologist, geologist, and geophysicist, is a lecturer at the Gemmological Association of Australia. Stephen Hutchinson is Senior Research Fellow at the National Oceanography Centre, Southampton, United Kingdom. Karen McGhee, a science writer and journalist, is a consulting author of the best-selling Encyclopedia of Animals (UC Press). John O'Byrne is Senior Lecturer and Director of Academic Programs at the University of Sydney School of Physics. Ken Rubin is Professor in the Department of Geology and Geophysics at the University of Hawaii and at the Hawaii Center for Volcanology.