Anna Pigeon, a park ranger at various national parks in the USA, is featured in:
In Chronological Order
- Track of the Cat (1993)
- A Superior Death (1994)
- Ill Wind (1995)
- Firestorm (1996)
- Endangered Species (1997)
- Blind Descent (1998)
- Liberty Falling (1999)
- Deep South (2000)
- Blood Lure (2001)
- Hunting Season (2002)
- Flashback (2003)
- High Country (2004)
- Hard Truth (2005)