This collection investigates the logical constraints and problem-solving mechanics inherent in the Su Doku puzzle format. Author Wayne Gould, a former High Court judge and the primary developer responsible for popularizing the puzzle, utilizes his background in structured reasoning to present a series of challenges designed for portability and mental engagement. The book provides a curated set of puzzles that test pattern recognition and deductive reasoning across varying levels of difficulty.

The book is regarded as a functional, accessible tool for enthusiasts seeking to practice logic puzzles in a mobile format. Its design prioritizes utility and portability, reflecting the widespread popularity of the Su Doku format developed by Gould.