| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Look At These Animals | 978-0-8215-7812-4 (0-8215-7812-X) | 2003 |
| Your Amazing Senses | 978-0-8215-7827-8 (0-8215-7827-8) | 2003 |
G. C. · Garret Christensen · Garret Christopher · Geert Corstens · Gerd Christiansen · Gerd Christoph · Gert Carstensen · Gert Christian · Greta Christina