Arranged in colour-coded levels, this high-interest range will appeal to children of varying ages and abilities.

The exciting titles use the maths skills learnt in the classroom in real-life puzzle-solving scenarios, helping readers to develop an appreciation of the wider relevance of mathematics.

In Solve a Crime, readers can use data to solve puzzles that map the crime scene, compare the statistics of suspects with eyewitness statements, decode a secret message and much more.