A hilarious story about the world's worst detectives by the bestelling author of the Alex Rider series, Anthony Horowitz. Meet the Diamond Brothers, the world's most defective detectives, by the author of the number one bestselling Alex Rider series.

Wisecracking young Nick Diamond finds himself sharing a prison cell with Johnny Powers, Public Enemy No.1.

His only chance of rescuing the situation is to nail master criminal the Fence.

But first, Nick has to get out of jail…