
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.""

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

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

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

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

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

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