Dog Lover's Mystery
1. A New Leash on Death (1989)
2. Dead and Doggone (1990)
3. A Bite of Death (1991)
4. Paws Before Dying (1991)
5. Bloodlines (1992)
6. Gone to the Dogs (1992)
7. Ruffly Speaking (1994)
8. Black Ribbon (1994)
9. Stud Rites (1996)
10. Animal Appetite (1997)
11. The Barker Street Regulars (1998)
12. Evil Breeding (1999)
13. Creature Discomforts (2000)
14. The Wicked Flea (2002)
15. The Dogfather (2003)
16. Bride and Groom (2004)
17. Gaits of Heaven (2006)
18. All Shots (2007)
19. Brute Strength (2011)

Cat Lover's Mystery
1. Scratch the Surface (2005)

GourmetGirl (with Jessica Conant-Park)
1. Steamed (2006)
2. Simmer Down (2007)
3. Turn Up the Heat (2007)
4. Fed Up (2009)
5. Cook the Books (2010)