| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Kids Stuff German | Paperback | 978-0-9606140-4-2 (0-9606140-4-4) | 2003 | Mark Hobson · Therese M. Pirz |
| Speak French to Your Baby: Easy French Phrases to Teach Your Baby | Hardcover | 978-0-9606140-0-4 (0-9606140-0-1) | 1981 | |
| Speak French to Your Baby: Easy French Phrases to Teach Your Baby | Paperback | 978-0-9606140-1-1 (0-9606140-1-X) | 1981 | |