A thrilling mystery story with mini chapters containing an innovative mix of narrative text and a puzzle (called a 'Detectogram®') for the reader to solve and keep the mystery unravelling.

When the detective agency is flummoxed by a spate of mysterious crimes, they enlist the help of a brilliant young detective (the reader) to crack the case. The agency asks them to infiltrate the inner circle of a criminal mastermind, Silas Ridley, who used to work as a police puzzle specialist. To help with their work as a mole, they give them an actual mole, who is an expert tracker! Can the reader help bring the criminal to justice, solving one Detectogram® at a time?

Packed with a mix of 46 logic, visual and text-based puzzles. From clues to unravel, maps to navigate, suspects to examine and secret codes to crack, there’s plenty of fun and perplexing puzzles to be solved in this brain-busting mystery for young super sleuths.

Perfect for fans of detective-themed activity books, such as the bestselling Cluedle and Murdle Junior, and the crime-solving adventure series Sherlock Bones.

This exciting and interactive mystery is perfect for kids aged 9-11.

About the Author

Tim Collins has published over one hundred books that have been translated into over thirty languages, including Sherlock Bones, Wimpy Vampire, Cosmic Colin, Monstrous Maud and Dorkius Maximus. He has won awards in the UK and Germany.