Block, Lawrence,
--Chapter 1. Answers to Soldier, 1990. (Playboy, June, 1990.)
--Chapter 2. Keller on Horseback, 1994. (novelette) (Murder Is My Business, 1994.)
--Chapter 3. Keller's Therapy, 1998. (novelette) (Playboy, May, 1993.) Edgar
--Chapter 4. Dogs Walked, Plants Watered, 1998. (Playboy, May, 1994.)
--Chapter 5. Keller's Karma, 1998. (Playboy, 19x.)
--Chapter 6. Keller in Shining Armor, 1998. (Playboy, November, 1995.)
--Chapter 7. Keller's Choice, 1998. (novelette) (Murder on the Run, 1998.)
--Chapter 8. Keller on the Spot, 1997. (Playboy, November, 1997.)
--Chapter 9. Keller's Last Refuge, 1998. (Playboy, March, 1998.)
--Chapter 10. Keller in Retirement, 1998.