| title | ISBN-13 | year of publication |
|---|---|---|
| A Field Guide to Cows: How to Identify and Appreciate America's 52 Breeds | 978-0-14-027388-5 | 1998 |
| A Field Guide to Pigs | 978-0-14-200221-6 | 2002 |
| A Field Guide to Pigs | 978-1-56044-877-8 | 1999 |
| Hiking Minnesota | 978-1-56044-565-4 | 1998 |