| title | media type | ISBN-13 | year of publica- tion |
|---|---|---|---|
| High Performance Perennials | Paperback | 978-0-13-027034-4 | 2002 |
| Landscape Planning: Practical Techniques for the Home Gardener | " | 978-1-55407-258-3 | 2008 |
| Landscape Planning: Practical Techniques for the Home Gardener | " | 978-1-55209-618-5 | 2002 |
| Landscape Planning: Practical Techniques for the Home Gardener | Hardcover | 978-1-55209-620-8 | 2002 |