| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Willy and The Warthog | Paperback | 978-1-320-05500-0 (1-320-05500-1) | 2009 |
| Willy and The Warthog | Hardcover | 978-1-320-05501-7 (1-320-05501-X) | 2009 |
J. S. · J. Schildmann · J. Scholten · J. Skelton · J. Slattum · Jay Shelton