Dover Publications · HarperCollins
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Finding Your Way Without Map or Compass | 978-0-486-40613-8 (0-486-40613-X) | 1999 |
| Nature is Your Guide: How to Find Your Way on Land and Sea | 978-0-00-634510-7 (0-00-634510-7) | 1978 |