Late at night, in a large suburban home, a man is gunned down. The very next day in Mr. Keen’s office a man tells his story of how he was…

The kindly old investigator wraps up the mystery today. Mr. Keen and Mike Clancey have been investigating the death of Donald Traviss. Mr. Keen has his eye on two suspects,…

Looking into the murder of Donald Traviss, Mr. Keen and Mike Clancey have found a nest of suspicious characters where one aunt has held her mentally unstable sister locked up…

The second installment of the ongoing crime mystery. Mr. Keen has learned that aunt Amy is the shrieking prisoner, and that aunt Martha is responsible for keeping her locked away,…

In a lonely old home, a young man enters a darkened house, and calls for his aunts. A shrieking breaks the silence in the home. A gun is fired, and…

Spend the night in a spooky mansion with Mr Keane, and the eccentrics in the family to solve a murder mystery.

As Mr. Keen and his assistant do office chores, his secretary is late, and has a mysterious story to tell. She brings in a neighbor who is sure that her…

A matter of murder has Mr. Keen on the case, over a sapphire known as the star of death. A Sapphire is missing; the jeweler is murdered. What happened to…

A boy with an unusual manner, and one with quite a vocabulary, stops in Mr. Keen’s office. Jimmy doesn’t have a case of a missing person, but a person who…

A museum curator hires a flirtatious girl. Suddenly, in the middle of painting a copy of a portrait, she disappears. The clues for the mystery are laid out when the…