K S · K. Schafer · Kevin Schäfer
Cooper Square Publishing Llc · Rizzoli
| title | ISBN-13 | year of publication | |
|---|---|---|---|
| Costa Rica: The Forests of Eden | 978-0-8478-1984-3 | 1996 | |
| Penguin Planet: Their World, Our World | 978-1-55971-745-8 | 2000 | |
| Penguins 123 | 978-1-55971-830-1 | 2002 | |
| Penguins ABC | 978-1-55971-831-8 | 2002 | |
| Pinguin Land: Im Bann eines Vogels | 978-3-924044-90-9 | 2001 |