Learning Horizons · Planet CREA Inc.
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| MicroExplorer | 978-1-893264-00-7 (1-893264-00-9) | 1998 | Howard Gutner · Chris Angelilli |
| Mummies! with CD | 978-1-59545-022-7 (1-59545-022-X) | 2001 | |
| Volcanoes! | 978-1-58610-377-4 (1-58610-377-6) | 2004 | |