| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Ready, Set, Go!: Give Your Children a Head Start Before They Go to School | 978-0-13-762278-8 (0-13-762278-3) | 1979 |
| Ready, set, go!: Give your children a head start before they go to school | 978-0-13-762286-3 (0-13-762286-4) | 1978 |