Hammer investigates some shady goings on at a supposed charm school.
Hammer tries to solve a murder involving members of a burlesque show.
A murder witness refuses to talk to the police so his sister hires Hammer for help.
When an experienced window washer falls twenty floors to his death, his daughter thinks it was murder and hires Hammer to investigate things.
A bumbling female thief leads Hammer to a gambling den.
Once again, Hammer runs into a hornet's nest worth of trouble at a carnival.
A cowboy and his society galpal give Hammer all the trouble he can handle.
Hammer is hired to find out why one lone juror held out for not guilty in the trial of a racketeer.
Hammer investigates the murder of a parking lot attendant and gets involved with ruthless garage operators.
Hammer investigates a robbery that was committed in a room equipped with every burglar proof device possible and find that the trail leads to an ancient Chinese society still operating in modern days.
Hammer traces a killer to a wax museum on Coney Island.
Hammer finds himself framed for the murder of a blackmailer.
Hammer travels to San Salvador and finds himself knee deep in political intrigue.
Hammer travels to Honolulu searching for a missing cache of gold.
Hammer's next target is a woman who blackmails prominent men.
Hammer's blind pal suspects that wifey is having an affair with a man she claims is her brother.
In his latest case Hammer must deal with a wealthy businessman, a fraternity initiation, and attempted murder.
A widow sailing aboard a French luxury liner keeps insisting to Hammer that hubby's ghost is haunting the ship.
Hammer gets on the trail of a crook who's trying to swindle a businesswoman.
Hammer thinks that one of two jukebox vending rivals is the killer of a woman.
A woman is found murdered and the motive is apparently theft of the diamonds she was carrying.
Hammer meets a vagrant who says he was the victim of a swindle.
A gypsy fortune teller comes to Hammer for advice.
Hammer encounters bunco and murder at a New York theatre group.
A couple asks Hammer to find the killer of a family member.
A blackmailing showgirl is found murdered and one of Hammer's friends is the number one suspect.
When Mike receives a death threat from an ex-convict whom he helped send to prison he thinks it's a joke and plans a meeting with the man.
Searching for a missing young girl, Hammer tangles with a gang of muggers who stalk their victims in Central Park.