"Sudoku 30 Puzzles to Test Your Skills" is a book of Sudoku puzzles designed to challenge and improve your problem-solving skills. With 30 different puzzles of varying difficulty levels, you'll have plenty of opportunities to sharpen your logic and critical thinking abilities. Each puzzle is presented on a separate page with ample space for you to fill in the numbers, and solutions are included at the back of the book. Whether you're a beginner or an experienced Sudoku enthusiast, this book is sure to provide hours of fun and mental stimulation