Gene Hartsell · Gene Horowitz · Gene Horwitz · Genny Hartwick
| title | ISBN-13 | year of publication |
|---|---|---|
| Bitter Business | 978-0-09-953011-4 | 1999 |
| Bitter Business | 978-0-8041-1241-3 | 1997 |
| Crimes au labo | 978-2-246-57661-7 | 1999 |
| Dead Certain | 978-0-8041-1900-9 | 2000 |
| Fatal Reaction | 978-0-09-953001-5 | 2000 |
| Fatal Reaction | 978-0-8041-1743-2 | 1998 |
| Final Option | 978-0-8041-1227-7 | 1994 |
| Principal Defence | 978-0-09-925401-0 | 1994 |
| Principal Defense | 978-0-8041-1074-7 | 1992 |
| Rough Trade | 978-0-8041-1829-3 | 1998 |