L. Heller · Larry Hallar · Larry Helyer · Larry Hollier
| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| Baby Fingers: I'm Feeling . . .: Teaching Your Baby to Sign | 978-1-4027-3246-1 (1-4027-3246-5) | 2006 |
| Baby Fingers: I Want . . .: Teaching Your Baby to Sign | 978-1-4027-3168-6 (1-4027-3168-X) | 2006 |