| title | media type | | ISBN-13 | year of publica- tion | other author(s) |
| affenheiß und schweinekalt: Die Überlebenstricks der Tiere | Gebundene Ausgabe | | 978-3-7941-5172-1 | |
| Bat Loves the Night | Paperback | | 978-1-4063-1275-1 | 2008 |
| Bat Loves the Night | " | | 978-0-7445-9402-7 | 2002 |
| Bat Loves the Night | Hardcover | | 978-0-7636-1202-3 | 2001 |
| Bat Loves the Night: Read and Wonder | Paperback | | 978-0-7636-2438-5 | 2004 |
| Bat Loves the Night with Audio, Peggable: Read, Listen, & Wonder | " | | 978-0-7636-4187-0 | 2008 |
| Bat Loves the Night with Audio: Read, Listen, & Wonder | " | | 978-0-7636-3863-4 | 2008 |
| Big Blue Whale | Library Binding | | 978-1-4395-6535-3 | 2009 |
| Big Blue Whale | Paperback | | 978-1-4063-1257-7 | 2008 |
| Big Blue Whale | " | | 978-1-4063-1260-7 | 2008 |
| Big Blue Whale | School & Library Binding | | 978-0-613-35907-8 | 2001 |
| Big Blue Whale | Paperback | | 978-0-7445-6275-0 | 2001 |
| Big Blue Whale Big Book | " | | 978-0-7636-1282-5 | 2000 |
| Big Blue Whale: Read and Wonder | " | | 978-0-7636-1080-7 | 2001 |
| Big Blue Whale with Audio, Peggable: Read, Listen, & Wonder | " | | 978-0-7636-4188-7 | 2008 |
| Big Blue Whale with Audio: Read, Listen & Wonder | " | | 978-0-7636-3822-1 | 2008 |
| Birds | Hardcover | | 978-0-7534-0841-4 | 2003 |
| Birds | Paperback | | 978-0-7534-0858-2 | 2003 |
| Birds | Hardcover | | 978-0-7534-5617-0 | 2003 |
| Das Buch vom Müssen und Machen | Gebundene Ausgabe | | 978-3-7941-5123-3 | 2005 |
| Deserts | Paperback | | 978-0-7534-1171-1 | 2007 |
| Extreme Animals: The Toughest Creatures on Earth | " | | 978-0-7636-4127-6 | 2009 |
| Extreme Animals: The Toughest Creatures on Earth | " | | 978-1-4063-0559-3 | 2007 |
| Extreme Animals: The Toughest Creatures on Earth | Hardcover | | 978-0-7636-3067-6 | 2006 |
| Extreme Animals: The Toughest Creatures on Earth | " | | 978-1-84428-734-5 | 2006 |
| Finde deinen Seelen-Partner | Broschiert | | 978-3-908653-37-0 | 2002 |
| Fühl dich wohl | " | | 978-3-908653-50-9 | 2003 |
| Home | Paperback | | 978-0-7445-5983-5 | 2005 |
| Ice Bear | " | | 978-1-4063-0205-9 | 2006 |
| Ice Bear | Hardcover | | 978-1-84428-731-4 | 2005 | Gary Blythe |
| Ice Bear: In the Steps of the Polar Bear | " | | 978-0-7636-2759-1 | 2005 |
| Ice Bear: Read and Wonder: In the Steps of the Polar Bear | Paperback | | 978-0-7636-4149-8 | 2008 |
| Ice Bear with Audio, Peggable: Read, Listen, & Wonder: In the Steps of the Polar Bear | " | | 978-0-7636-4441-3 | 2009 |
| Ice Bear with Audio: Read, Listen, & Wonder: In the Steps of the Polar Bear | " | | 978-0-7636-3878-8 | 2009 |
| Just the Right Size: Why Big Animals Are Big and Little Animals Are Little | Hardcover | | 978-0-7636-3924-2 | 2009 |
| Le livre du caca: Toutes les réponses aux questions que vous n'osez pas poser | Album | | 978-2-7459-1439-2 | 2004 | Neal Layton |
| Oceans and Seas | Paperback | | 978-0-7534-6165-5 | 2007 |
| Oceans and Seas | Hardcover | | 978-0-7534-0945-9 | 2004 |
| Oceans and Seas | Paperback | | 978-0-7534-1054-7 | 2004 |
| Oceans and Seas | Hardcover | | 978-0-7534-5758-0 | 2004 |
| One Tiny Turtle | Paperback | | 978-1-4063-1197-6 | 2008 |
| One Tiny Turtle | " | | 978-1-4063-1198-3 | 2008 |
| One Tiny Turtle | " | | 978-0-7445-9401-0 | 2002 |
| One Tiny Turtle | Hardcover | | 978-0-7445-6258-3 | 2001 |
| One Tiny Turtle | " | | 978-0-7636-1549-9 | 2001 |
| One Tiny Turtle: Read and Wonder | Paperback | | 978-0-7636-2311-1 | 2005 |
| One Tiny Turtle with Audio, Peggable: Read, Listen & Wonder | " | | 978-0-7636-4193-1 | 2009 |
| One Tiny Turtle with Audio: Read, Listen, & Wonder | " | | 978-0-7636-3834-4 | 2008 |
| Poo | Hardcover | | 978-0-7445-8634-3 | 2004 |
| Poo: A Natural History of the Unmentionable | Paperback | | 978-1-84428-751-2 | 2005 |
| Poo: Mini Edition: A Natural History of the Unmentionable: Mini Edition | Hardcover | | 978-1-4063-0187-8 | 2006 |
| Poop: A Natural History of the Unmentionable | " | | 978-0-7636-2437-8 | 2004 |
| Poop: A Natural History of the Unmentionable Mini Edition | " | | 978-0-7636-3544-2 | 2007 |
| Surprising Sharks | Paperback | | 978-1-4063-1288-1 | 2008 |
| Surprising Sharks | " | | 978-1-84428-458-0 | 2004 |
| Surprising Sharks | Hardcover | | 978-0-7445-8624-4 | 2003 |
| Surprising Sharks | " | | 978-0-7636-2185-8 | 2003 |
| Surprising Sharks: Read and Wonder | Paperback | | 978-0-7636-2742-3 | 2005 |
| Surprising Sharks with Audio, Peggable: Read, Listen, & Wonder | " | | 978-0-7636-4185-6 | 2008 |
| Surprising Sharks with Audio: Read, Listen, & Wonder | " | | 978-0-7636-3837-5 | 2008 |
| The Positive Guide to Divorce | " | | 978-1-903816-58-5 | 2003 |
| Up on the Hill | " | | 978-1-4063-0915-7 | 2008 |
| What's Eating You? | Hardcover | | 978-1-4063-0095-6 | 2007 |
| What's Eating You?: Parasites -- The Inside Story | Paperback | | 978-0-7636-4521-2 | 2009 |
| What's Eating You?: Parasites -- The Inside Story | Hardcover | | 978-0-7636-3460-5 | 2007 |
| White Owl, Barn Owl | " | | 978-0-7636-3364-6 | 2007 |
| White Owl, Barn Owl: Read and Wonder | Paperback | | 978-0-7636-4143-6 | 2009 |
| White Owl, Barn Owl with Audio, Peggable: Read, Listen, & Wonder | " | | 978-0-7636-4194-8 | 2009 |
| White Owl, Barn Owl with Audio: Read, Listen, & Wonder | " | | 978-0-7636-3996-9 | 2009 |
| Wild About Dolphins | Hardcover | | 978-0-7636-1454-6 | 2001 |