- Pencils
- Maris Wicks
- Inks
- Maris Wicks
- Colors
- ?
- Characters
- Jane Goodall; Dian Fossey; Birute Galdikas; gorilla; chimpanzee; orangutan
- Keywords
- Ape; primate
Hardbound cover. Design by Colleen AF Venable.
- Pencils
- ? (photograph)
- Inks
- ? (photograph)
- Characters
- Birute Galdikas; Dian Fossey; Jane Goodall
Photo used with permission of the Orangutan Foundation International.
- Pencils
- Maris Wicks
- Inks
- Maris Wicks
- Colors
- ?
- Letters
- ?
Bibliography, acknowledgments, back matter.