| Series | | Books |
| Jack Buchanan |
| |
| Non-Spy Series | | Miami War Zone [MIA Hunter] (1988) |
| | | Desert Death Raid [MIA Hunter] (1989) |
| | | Back to ’Nam [MIA Hunter] (1990) |
| |
| Bill Crider |
| |
| Nick Carter | | The Coyote Connection (1981) |
| |
| Non-Spy Series | | Too Late to Die [Dan Rhodes] (1986) |
| | | Shotgun Saturday Night [Dan Rhodes] (1987) |
| | | One Dead Dean [Carl Burns] (1988) |
| | | Ryan Rides Back (1988) |
| | | Galveston Gunman (1988) |
| | | Cursed to Death [Dan Rhodes] (1988) |
| | | Dying Voices [Carl Burns] (1989) |
| | | A Time for Hanging (1989) |
| | | Death on the Move [Dan Rhodes] (1989) |
| | | A Vampire Named Fred (1990) |
| | | Medicine Show (1990) |
| | | Evil at the Root [Dan Rhodes] (1990) |
| | | Dead On the Island [Truman Smith] (1991) |
| | | Blood Marks (1991) |
| | | Booked for a Hanging [Dan Rhodes] (1992) |
| | | The Texas Capitol Murders (1992) |
| | | Gator Kill [Truman Smith] (1992) |
| | | A Dangerous Thing [Carl Burns] (1994) |
| | | When Old Men Die [Truman Smith] (1994) |
| | | Murder Most Fowl [Dan Rhodes] (1994) |
| | | Mike Gonzo and the Almost Invisible Man [Mike Gonzo] (1996) |
| | | Mike Gonzo and the Sewer Monster [Mike Gonzo] (1996) |
| | | Winning Can Be Murder [Dan Rhodes] (1996) |
| | | The Prarie Chicken Kill [Truman Smith] (1996) |
| | | Murder Takes a Break [Truman Smith] (1997) |
| | | Murder Under Blue Skies - with Willard Scott [Stanley Waters] (1997) |
| | | Mike Gonzo and the UFO Terror [Mike Gonzo] (1997) |
| | | Death By Accident [Dan Rhodes] (1997) |
| | | Outrage At Blanco (1998) |
| | | Murder in the Mist - with Willard Scott [Stanley Waters] (1998) |
| | | Texas Vigilante (1999) |
| | | Murder is an Art [Professor Sally Good] (1999) |
| | | A Ghost of a Chance [Dan Rhodes] (2000) |
| | | A Romantic Way to Die [Dan Rhodes] (2001) |
| | | A Knife in the Back [Professor Sally Good] (2002) |
| | | Red, White, and Blue Murder [Dan Rhodes] (2003) |
| | | We'll Always Have Murder [Humphrey Bogart] (2003) |
| | | Dead Soldiers [Carl Burns] (2004) |
| | | A Bond with Death [Professor Sally Good] (2004) |
| | | A Mammoth Murder [Dan Rhodes] (2006) |
| | | Houston Homicide - with Clyde Wilson [Ted Stephens] (2007) |
| | | Murder Among the O.W.L.S. [Dan Rhodes] (2007) |
| | | Of All Sad Words [Dan Rhodes] (2008) |
| | | Murder in Four Parts [Dan Rhodes] (2009) |
| | | Murder in the Air [Dan Rhodes] (2010) |
| | | Mississippi Vivian - with Clyde Wilson [Ted Stephens] (2010) |
| | | The Wild Hog Murders [Dan Rhodes] (2011) |
| | | Carnival of Death - with others [Dead Man] (2012) |
| | | Murder of a Beauty Shop Queen [Dan Rhodes] (2012) |
| |
| William Grant |
| |
| Non-Spy Series | | The Colorado Special [Matt Faraday] (1989) |
| |
| Jack MacLane |
| |
| Non-Spy Series | | Keepers of the Beast (1988) |
| | | Goodnight Moon (1988) |
| | | Blood Dreams (1989) |
| | | Goodnight Moom (1989) |
| | | Rest in Peace (1990) |
| | | Just Before Dark (1990) |
| |