Lose yourself with these challenging number puzzles.

Challenge your mind with this ultimate collection of 300 Sudoku puzzles designed to sharpen your mental agility and enhance your logical reasoning skills. Featuring 100 easy, 100 medium, and 100 hard puzzles, this book allows you to progressively test and improve your abilities at every level.

Perfect for keeping your brain active during travel, holidays, or relaxing at home, these puzzles offer hours of engaging entertainment. Each puzzle is carefully crafted to boost your powers of deduction and concentration.

Plus, with solutions conveniently included at the back of the book, you can check your answers and track your progress with ease. Dive into this comprehensive Sudoku collection and enjoy endless brain-boosting fun!

Product Information:
• ISBN: 9780008803575
• Author: Collins Puzzles
• Publisher: Harper Collins Publishers
• Format: Paperback
• Pages: 352
• Dimensions: 19.8 x 12.9 cm