Barrons Educational Series · Random House
| title | ISBN-13 | year of publication |
|---|---|---|
| BAA FOR BEGINNERS | 978-0-09-941794-1 | 2006 |
| Baa For Beginners | 978-0-09-176909-3 | 2005 |
| Baa for Beginners | 978-0-7641-3095-3 | 2005 |
| How To Speak Moo! | 978-0-09-941793-4 | 2003 |
| How to Speak Moo! | 978-0-7641-2285-9 | 2002 |