150 Jigsaw Sudoku Puzzles 9x9 3 levels of difficulty: easy, medium, and hard (50 puzzles per level) - The varying levels of difficulty are suitable for all players: from beginners to advanced ones - The increasing difficulty of the puzzles will support your progress - Includes rules and all solutions - Designed for optimal ease of use (large print, margins, contrast, etc.) - High-quality book and print. Perfect for a gift. Ready to challenge your mind? Get your copy now and have fun!