| Series | | Books |
| |
| Mack Bolan | | (2013) |
| | | (2014) |
| |
| The Executioner | | (2003) |
| | | (2004) |
| | | (2013) |
| | | (2013) |
| | | (2013) |
| | | (2014) |
| | | (2014) |
| | | (2015) |
| |
| Other | | Dream Detective - w/Chris Robinson (1996) |
| | | Rat King [Deathlands #51] (2000) |
| | | Sunchild [Deathlands #56] (2001) |
| | | Salvation Road [Deathlands #58] (2002) |
| | | Amazon Gate [Deathlands #59] (2002) |
| | | Destiny's Truth [Deathlands #60] (2002) |
| | | Death Hunt [Deathlands #67] (2004) |
| | | Separation [Deathlands #66] (2004) |
| | | Hellbenders [Deathlands #65] (2004) |
| | | Atlantis Reprise [Deathlands #72] (2005) |
| | | Ritual Chill [Deathlands #71] (2005) |
| | | Strontium Swamp [Deathlands #74] (2006) |
| | | Dreams of Inan: A Kind of Peace (2006) |
| | | Remember Tomorrow [Deathlands #79] (2008) |
| | | Desolation Crossing [Deathlands #87] (2009) |
| | | Thunder Road [Deathlands #83] (2009) |
| | | Arcadian's Asylum [Deathlands #92] (2010) |
| | | Prophecy [Deathlands #90] (2010) |
| | | Palaces of Light [Deathlands #104] (2011) |
| | | Lost Gates [Deathlands #101] (2011) |
| |