Sudoku Book Code 46419

This book, titled "Sudoku (SUDOKU)," is a collection of numerical Sudoku puzzles, known as a mind game. The cover reads: "The mind game that has conquered the world," indicating its global popularity. The book includes puzzles of varying difficulty levels, from easy to hard. Sudoku is a logic game where numbers 1 to 9 must be placed without repetition in rows, columns, and 3x3 squares. In addition to Sudoku, this book also mentions two other Japanese games called "Chain" and "Bridge." This work is more for entertainment and mental stimulation than theoretical study.