T.R. Gabriel Books in Order

Wealthy twins Timothy and Anthony Robertson move comfortably through celebrity society, concealing a deadly second life. Behind their polished public image, they operate as Skull and Crossbownes, costumed mercenaries whose reputation rests on their skill as contract killers.

Colonel Nathan Alexander Warr leads an elite covert team against an old enemy hired to attack the United States. Pursuing the terrorist threat around the world, the Dogs of Warr face an adversary who has made the conflict personal.

A personal tragedy prompts President Buchannan to request an unusually secret mission from Colonel Warr's team. Their voluntary operation south of the border encounters a dangerous surprise, forcing the Dogs to regroup for another attempt.

After the Devil's Ghost attacks their headquarters, the Dogs of Warr struggle with casualties, injuries, and devastating damage. A new team member offers a chance to retaliate, but finding their elusive enemy remains a dangerous gamble.