This book presents a collection of KenKen puzzles designed to challenge and improve logical reasoning skills. The puzzles, created by Tetsuya Miyamoto, range in difficulty from easy to hard, offering a progressive challenge for solvers. The core mechanic involves filling a grid with numbers such that no number repeats in any row or column, while also adhering to mathematical constraints within 'cages' marked on the grid.

is that KenKen puzzles are a well-regarded form of mathematical logic puzzle, often compared to Sudoku but with the added layer of arithmetic. This collection, by the creator of the puzzle, offers a structured approach to engaging with these challenges. The range of difficulties suggests it is suitable for both newcomers to KenKen and experienced solvers looking for a comprehensive set of problems.