| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Y Plan Countdown: A Great New Shape in 36 Days | 978-0-600-57509-2 (0-600-57509-8) | 1992 | Jill Gaskell |
| The Y Plan: The 12 Minute Way to Total Fitness with Anthea Turner | 978-0-86369-981-8 (0-86369-981-2) | 1995 | Anthea Turner · Gill Gaskell |