A writer is down for the murder of his wife and her lover, but she's left a contradictory note. ""Who builds stronger than a mason, a shipwright, or a carpenter?""

Cannon begins to see a doubtful situation. ""The houses he makes last till doomsday.""

Cannon's latest client is a dead man via a will.

Former soliders in Vietnam come fearfully to Cannon.

A former syndicate henchman has information wanted by the police and the underworld.

A prima facie murder case involving a lady journalist.

On behalf of an insurance company, Cannon investigates an airplane full of securities.

Cannon's engaged to protect a gang boss from the innocent man he sent up the river.

A payroll robbery has one main suspect who happens to be in prison.

A young model's death leads to many suspects.

A cop feels guilty over a man he injured.

A mob boss on trial has the judge's daughter kidnapped.

A blackmailer's murder brings his Swiss wife to America, and Cannon discovers still more dealings.

Airport drug smugglers frame a worker for murder.

An ex-stewardess is haunted by a hijacking.

A boxer is blackmailed into throwing a fight.

A former general hires former policeman Cannon to investigate his brother's murder.

Cannon suffers amnesia after a ransom drop goes afoul.

A recluse asks Cannon to clear up the presumed death of her sister in a boating accident five years before.

A doctor is accused of helping a prisoner escape.

A big game hunter is killed by a lion supposedly tranquilized.

A con man of God.

The murder of a con man.

A banker's daughter finds his suicide in the Caribbean incredible.

One of Cannon's old busts is a mass murderer, who comes after him on a fishing trip.

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