| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Zen of Mountains & Climbing: Wit, Wisdom, and Inspiration | 978-1-59485-109-4 (1-59485-109-3) | 2009 |
| The Zen of Oceans & Surfing: Wit, Wisdom, and Inspiration | 978-1-59485-108-7 (1-59485-108-5) | 2009 |
| Wake Up and Smell the Planet: The Non-Pompous, Non-Preachy Grist Guide to Greening Your Day | 978-1-59485-039-4 (1-59485-039-9) | 2007 |
K. W. · Katharina Wirth · Katharine Worth · Katherine Wroth · Kathryn Worth