Futura Publications · Prentice Hall
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Angel in the Sky | 978-0-7088-2168-8 (0-7088-2168-5) | 1982 |
| Home Sweet Office: Your Home Office | 978-0-13-894957-0 (0-13-894957-3) | 1998 |
| Lifetime: Better Time Management in 21 Days | 978-0-13-894973-0 (0-13-894973-5) | 1998 |