In Shape Puzzles, abstract 2D and 3D shapes studied in maths are explored, as well shapes that we see in everyday life such as silhouettes and shadows. In Logic Puzzles you'll find lots of mindbenders, from spatial awareness conundrums to cracking codes and word-based puzzles. Number Puzzles will really test the reader's maths skills, including everything from simple number squares to punishing number patterns. Pattern Puzzles explores how our brains recognise patterns and includes all kinds of pattern-related puzzles from identifying symmetry to spotting recurring patterns.