Matt. Pedro. Scott. Jamie. Scar. Five Gatekeepers have finally found one another. And only the five of them can fight the evil force that is on the rise, threatening the destruction of the world.

When thirteen-year-old Nick is framed for a jewel robbery, he and his brother, the bumbling detective Tim Diamond, attempt to clear his name by capturing the master criminal known as the Fence. Framed for a jewel robbery, quick-thinking thirteen-year-old Nick Diamond finds himself sharing a prison cell with Johnny Powers, juvenile delinquent and Public Enemy Number One.nbsp; Suddenly, Nick is Public Enemy Number Two!nbsp; His only chance at breaking...

As fourteen-year-old telepathic twins struggle to escape the clutches of the Nightrise Corporation, one of them travels through dreams to a time when the evil Old Ones ruled and learns the role that he, his brother, and three other Gatekeepers must play to keep the world safe from the Old Ones' return.

Fourteen-year-old Nick and his bumbling detective brother Tim Diamond investigate a mystery involving international spies and assassins.

A collection of three Diamond Brothers mysteries in which Tim and Nick bungle their way through a search for a missing philanthropist, find themselves in a Parisian prison, and are stranded on a Scottish island with a murderer.