| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Problem solving: the computer approach | 978-0-07-035785-3 (0-07-035785-4) | 1973 |
| Problem solving: The computer approach | 978-0-07-092902-9 (0-07-092902-5) | 1972 |
| Teacher's resource book for Problem solving: The computer approach | 978-0-07-077476-6 (0-07-077476-5) | 1973 |