Private investigator Spenser leaves Boston for summertime Cape Cod where he and his friend Susan Silverman find themselves involved with fools and villains whose concerns are extortion, robbery, and murder.

Boston private investigator Spenser takes it personally when he tells his client, FBI agent Dennis Doherty, that his wife, Jordan, is having an affair, only to have the couple murdered, and he sets out to bring Jordan's lover, Perry Alderson, head of a group that helps sponsor terrorists, to justice.

Boston private detective Spenser finds himself at odds with mobster Sonny Karnofsky when his investigation of the decades-old murder of Emily Gordon, gunned down during a bank heist, turns up links to the killing of Karnofsky's daughter.

When Nathan Smith, a prominent local banker and millionaire, is murdered, Spenser is called in to investigate Nathan's young wife, Mary, and as the evidence stacks up against her, Spenser discovers that Mary's mysterious past has put his own life in danger.

Boston private investigator Sunny Randall is forced onto dangerous ground, both physically and emotionally, when she is hired to protect a prominent feminist whose life is being threatened, while her older sister and her best friend both demand her help with their rocky marriages.

Spenser loves just one woman, even though she's the one he's just lost. So when her desperate letter arrives, he doesn't think twice. He has to free his best friend from a life sentence, and get Susan out of trouble.

Appie Knoll is the kind of suburb where kids grow up right. But something is wrong. Fourteen-year-old Kevin Bartlett disappears. Everyone thinks he's run away -- until the comic strip ransom note arrives. It doesn't take Spenser long to get the picture -- an affluent family seething with rage, a desperate boy making strange friends...friends like Vic Harroway, body builder. Mr. Muscle is Spenser's only lead and he isn't talking...except with his fists....

When infamous actor Jumbo Nelson is accused of rape and murder, the Boston PD calls on Spenser to make heads or tails of the case. Although the evidence is mounting against Jumbo, Spenser makes a break when he teams up with Jumbo's bodyguard, Zebulon Sixkill, and uncovers some secrets involving the murder victim.

"Boston private eye Spenser's search for a missing high-school girl takes him to Boston's Combat Zone, to high-class, specialty brothels, and back to the straight world whose righteous facade overlap pervasive corruption."--from NoveList.

Fifty Minutes is the title of a Hollywood based TV series being shot on location in Boston, but to Spenser it's "Trouble with a capital T". After signing on to protect its glamorous female star Jill Joyce, from an escalating chain of anonymous harassments to find himself saddled with a lot more than he bargained for.