R.B. · R. Busch · Robert B. · Robert H.
| title | ISBN-13 | year of publica- tion |
|---|---|---|
| The Cougar Almanac | 978-1-55821-403-3 | 1996 |
| The Cougar Almanac: A Complete Natural History of the Mountain Lion | 978-1-59228-295-1 | 2004 |
| The Grizzly Almanac: A Fully Illustrated Natural and Cultural History of America's Great Bear | 978-1-59228-320-0 | 2004 |
| The Wolf Almanac | 978-1-55821-557-3 | 1998 |
| The Wolf Almanac, New and Revised: A Celebration of Wolves and Their World | 978-1-59921-069-8 | 2007 |