| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| 1, 2, 3-- The Toddler Years: A Practical Guide for Parents and Caregivers | 978-0-940953-24-6 (0-940953-24-2) | 1993 | Irene Van Der Zande |
| One Two Three the Toddler Years | 978-0-940953-23-9 (0-940953-23-4) | 1993 | Irene Van De Zande · Irene Van Der Zande |