Books in A McGurk mystery series

Finding a note hidden in an old violin starts the McGurk Detective Organization searching for a cache of uncut diamonds.

Members of the McGurk Detective Agency--a group of juvenile sleuths--attempt to unravel the mystery surrounding a treetop "treasure" cache they discover when rescuing a treed cat

The McGurk Organization's four young detectives swing into action when one of them is accused of defacing and then stealing all the ornamental clay rabbits in the neighborhood.

McGurk's Detective Organization faces a serious threat when they receive an ultimatum that they must solve the case of the kidnapped dolls by noon Friday or publicly admit defeat to prevent destruction of the dolls.

McGurk and his friends are called in to investigate a devious scheme to counterfeit ancient Egyptian artifacts and a mysterious Egyptian curse involving the appearance of a strange mummy-like creature.

Ten-year-old Jack McGurk and his fellow detectives match wits with the local police as they track down a runaway newsboy

The McGurk sleuths accept a job from a stranger in town, only to find they are assisting in high-level industrial espionage.

The famous McGurk Organization, investigating an invisible dog hoax, opens a real crime lab and adds a new member to its crime-busting outfit

An imaginatively funny account of the McGurk detectives as they devise an ingenious plan to catch a bashful bank robber who is threatening the banks of their community

The five young McGurk detectives set out to pinpoint the source of the unearthly sounds that seem to emanate from Mrs. Krantz's seven-year-old nephew, Bela

A cat accused of murdering a neighbor's pet dove is condemned to be sent to the pound. The McGurk Organization tries to save him.

Weekly Readers: The Case of the Invisible Dog