Author: Collins, Tim
Interest age: from c 8 years
Published on 2 July 2026 by Michael O'Mara Books Ltd (Buster Books) in the United Kingdom as part of 'the Detectograms' series.
Paperback | 224 pages, B/W
215 x 138 x 18 | 234g
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.
Also available in the series:9781837251308 Detectograms: The Parrot Who Knew Too Much