| 
 William P. Kennedy is a former business journalist. He also writes under the pseudonym 'Diana Diamond'.  | 
Titles and year of publication:
| 1) Code Conquistador | 1982 | 
| 2) The Masakado Lesson | 1986 | 
| 3) Toy Soldiers | 1988 | 
| 4) The Himmler Equation | 1989 | 
| 5) Rules of Encounter | 1992 | 
| 6) Guard of Honor | 1993 | 
| 7) Dark Tide | 1994 | 
| 8) Siren's Lullaby | 1997 | 
| 9) East Anglia | 2004 | 
| 10) The Last Mission (e-book) | 2013 | 
| As 'Diana Diamond' | |
| 1) The Trophy Wife | 2000 | 
| 2) The Babysitter | 2001 | 
| 3) The Good Sister | 2002 | 
| 4) The Daughter-in-Law | 2003 | 
| 5) The First Wife | 2004 | 
| 6) The Stepmother | 2005 | 
| 7) The Other Woman | 2006 |