J. A. Thomas
The author, Jeremy A. Thomas, is former Head of Site at the Centre for Ecology and Hydrology, Dorset, and is widely recognized as one the UK's leading experts on butterflies.
Neil Bone was Director of the British Astronomical Association Meteor Section and winner of the British Astronomical Association's Merlin Medal for his contribution to the advancement of astronomy. Neil died in April 2009 - a team of his friends and colleagues have completed the updates that he began for this revised edition.
A. C. Bishop
The authors are researchers in the mineralogy and palaeontology departments of the Natural History Museumin London.
Heather Couper is a past President of both the British Astronomical Association and the Society for Popular Astronomy. She is a Fellow of the Royal Astronomical Society and the Institute of Physics, and a former Millennium Commissioner, for which she was awarded the CBE in 2007.
Håkan Delin is a well-known field ornithologist and bird artist. He lives in Sweden.
Storm Dunlop is a former President of the British Astronomical Association. He is based in East Wittering, near Chichester, England.
David Frydman has been a keen observer for many years of all things astronomical and of atmospheric phenomena. In recent years he has observed mainly with binoculars and small telescopes. He has a special interest in optical instruments, having tested and used many hundred binoculars, telescopes and lenses.
Peter Grego is Director of the Lunar Section of Britain's Society for Popular Astronomy (SPA) and the Topographical Coordinator of the British Astronomical Association (BAA) Lunar Section. He writes and illustrates the monthly MoonWatch page in Astronomy Now magazine and is the expert on observing for Sky at Night magazine's Astro Answers.
Nigel Henbest has been Astronomy Consultant to New Scientist magazine, Editor of the Journal of the British Astronomical Association, and Media Consultant to the Royal Greenwich Observatory. He is also a Future Astronaut with Virgin Galactic.
Dr John Murray
Dr John Murray is a lunar expert at the Open University.
Robert Kovach is Professor of Geophysics at Stanford University, California; his previous titles include Earth's Fury: An Introduction to Natural Hazards and Disasters.
Bill McGuire is the Director of the Benfield UCL Hazard Research Centre, University College London (UCL).
Rachel Noonan is the daughter of David and Jill Wright - this is the first book that she has co-authored. She lives in Norwich, Norfolk.
The author is Research Officer for the Geological Society and a highly respected gemmologist.
A. P. H. Oliver
The author A. P. H. Oliver has collected shells for many years in various parts of the world and has an extensive private collection, which was the source for many of the illustrations in this book.
Sir Patrick Moore
Sir Patrick Moore has been popularizing astronomy for 50 years and has written more than 60 books on the subject. He is the presenter of the world's longest running television series, The Sky At Night, which celebrated its 50th anniversary in 2007, and has been commemorated with a set of Royal Mail stamps. In 1967 he was awarded the OBE for his services to astronomy, followed in 1988 by the CBE; in 2000 he was awarded a BAFTA, then, in 2001, he received a knighthood and was made a Fellow of the Royal Society.
Consultant editor, Andy Philips adviser to the Geographical Association
Ian Ridpath is a full-time writer, broadcaster and lecturer on astronomy. He is a Fellow of the Royal Astronomical Society and a member of the Association of British Science Writers. A former editor of Popular Astronomy, he is a regular contributor to Astronomy Now. Ian Ridpath's many books include Collins Guide to Stars and Planets, Gem Stars and The Monthly Sky Guide. He is also the editor of the highly respected Norton's Star Atlas - a must-have publication for most practical astronomers - and the Oxford Dictionary of Astronomy.
Robin Scagell is a long-serving Vice President of Britain's Society for Popular Astronomy. A lifelong stargazer, he has worked as an observer and photographer, and as a journalist has edited a wide range of popular-interest magazines. Robin is the author of several popular astronomy books, and has contributed to many other publications. He has been awarded the Sir Arthur Clarke Award for Space Reporting in recognition of his many appearances on TV and radio talking about astronomy and space.
Pam Spence trained as an astronomer, and observed the Sun both as an amateur and professional. She was assistant to the solar section director of the British Astronomical Association. At University College London, she worked on solar data gathered from the Yohkoh satellite.