| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| But I Might Need It Someday | 978-0-9720001-1-6 (0-9720001-1-9) | 2006 |
| But I Might Need It Someday! | 978-0-9720001-0-9 (0-9720001-0-0) | 2003 |
| The Power of Simplicity | 978-0-9745135-2-2 (0-9745135-2-0) | 2004 |
P.K. · Pat Kramer · Pete Koerner · Piet Kramer · Pyt Kramer