| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Magic Box, The | 978-0-88289-748-6 (0-88289-748-9) | 1990 |
| Pony Summer | 978-1-4137-4675-4 (1-4137-4675-6) | 2004 |
| Water Wars: The Fight to Control and Conserve Nature's Most Precious Resource | 978-0-02-724595-0 (0-02-724595-0) | 1993 |
Macmillan · Pelican Publishing · PublishAmerica