| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Ladders to Literacy: A Kindergarten Activity Book | 978-1-55766-318-4 (1-55766-318-1) | 1998 | Rollanda E., PH.D. O'Connor · Angela, PH.D. Notari-Syverson |
| Ladders to Literacy: A Preschool Activity Book | 978-1-55766-913-1 (1-55766-913-9) | 2007 | Angela Notari-Syverson · Rollanda E. O'Connor |
| Ladders to Literacy: A Preschool Activity Book | 978-1-55766-317-7 (1-55766-317-3) | 1998 | Angela Notari-Syverson · Rollanda E. O'Connor |