The Six-Chambered Heart, opening volume in 'The Maddock Trilogy' follows Maddock, a Denver private investigator returning from Chicago where he has meted out revenge for the killing of his buddy Charlie by a powerful crime family.
the Semper Fi, finds Maddock hurriedly leaving Denver, south into Texas and eventually to Florida, for a new love, a new life. Having put in motion a scheme designed to ensnare a crooked cop and a pathological killer in a dance of well-deserved mayhem, Maddock has once again drawn the attention of a powerful crime family. Along the way, more trouble ensues as Maddock seeks to help a Native woman whose niece has been roped into an unsavory relationship with a crime boss's son; as a pair of hitmen pick up his trail, and an odd cast of characters join the drama, all hell breaks loose in this cerebral thriller.