David L. · David Liittschwager
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| National Geographic's America's Endangered Species: Don't Say Good-Bye | 978-O-7922-9551-8 (O-7922-9551-X) | 1998 | Buddy Squires · Gerald Cotts · Jon Else · Nick Caloyianis · Paul Goldsmith · Richard Chisolm · Susan Middleton |