| title | ISBN-13 | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Alien Empire: An Exploration of the Life of Insects | 978-0-06-270156-5 | 1996 | Christopher O'Toole | |
| Bees of the World | 978-0-8160-5712-2 | 2004 | Christopher O'Toole · Anthony Raw | |
| Bumblebees: The Natural History of These Fascinating and Useful Insects, How to Attract Them to the Garden and Provide Homes for Them in Artificial Nests | 978-0-9539906-7-2 | 2002 | Christopher O'Toole | |
| Encyclopaedia of Insects | 978-1-871869-64-4 | 1995 | " | |
| Faszinierende Insekten | 978-3-8289-1584-8 | 2000 | " | |
| Firefly Encyclopedia of Insects and Spiders | 978-1-55297-612-8 | 2002 | " | |
| Insects in Camera: A Photographic Essay on Behaviour | 978-0-19-217694-3 | 1985 | " | |
| The Conservation of Bees, Volume 18 | 978-0-12-479740-6 | 1996 | Ingrid H. Williams · Andrew Matheson · Stephen L. Buchmann · Christopher O'Toole · Paul Westrich | |
| The New Encyclopedia of Insects and Their Allies | 978-0-19-852505-9 | 2002 | Christopher O'Toole | |
| The Red Mason Bee: Taking the Sting Out of Beekeeping | 978-0-9539906-0-3 | 2000 | " |
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