Welcome to Just Sudoku, the ideal puzzle book for any fan of sudoku puzzles! All the sudoku in this book can be solved using logic alone - there's never any need to guess. The book contains 100 sudoku puzzles, and is split into three different sections. The first section contains 30 easy puzzles, the second section contains 30 medium puzzles, whilst the remaining 40 puzzles are hard. And all the solutions are included at the back of the book.