| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1982 | 978-0-940406-01-8 | Simone Bibeau · Gerry Kruck | Developing the Early Learner: Level 1 |
| 1983 | 978-0-940406-02-5 | Simone Bibeau | Developing the Early Learner: Level 2 |
| '' | 978-0-940406-03-2 | '' | Developing the Early Learner: Level 3 |
| '' | 978-0-940406-04-9 | '' | Developing the Early Learner: Level 4 |