Deirdre Quinn Nightingale
1 Dr. Nightingale Comes Home (1994)
2 Dr. Nightingale Rides the Elephant (1994)
3 Dr. Nightingale Goes to the Dogs (1995)
4 Dr. Nightingale Goes the Distance (1995)
5 Dr. Nightingale Enters the Bear Cave (1996)
6 Dr. Nightingale Chases Three Little Pigs (1996)
7 Dr. Nightingale Rides to the Hounds (1997)
8 Dr. Nightingale Meets Puss in Boots (1997)
9 Dr. Nightingale Races the Outlaw Colt (1998)
10 Dr. Nightingale Traps the Missing Lynx (1999)
11 Dr. Nightingale Seeks Greener Pastures (2000)
12 Dr. Nightingale Follows a Canine Clue (2001)
2 Dr. Nightingale Rides the Elephant (1994)
3 Dr. Nightingale Goes to the Dogs (1995)
4 Dr. Nightingale Goes the Distance (1995)
5 Dr. Nightingale Enters the Bear Cave (1996)
6 Dr. Nightingale Chases Three Little Pigs (1996)
7 Dr. Nightingale Rides to the Hounds (1997)
8 Dr. Nightingale Meets Puss in Boots (1997)
9 Dr. Nightingale Races the Outlaw Colt (1998)
10 Dr. Nightingale Traps the Missing Lynx (1999)
11 Dr. Nightingale Seeks Greener Pastures (2000)
12 Dr. Nightingale Follows a Canine Clue (2001)