Numbrix Medium to Hard 9x9 Puzzle Book - 400 Challenging Puzzles for Adults and Smart Solvers: Advance Your Logic Skills with 200 Medium and 200 Hard

Numbrix Medium to Hard 9x9 Puzzle Book - 400 Challenging Puzzles for Adults and Smart Solvers: Advance Your Logic Skills with 200 Medium and 200 Hard

Ready to level up your logic game? The Numbrix Medium to Hard 9x9 Puzzle Book is the ideal choice for puzzle lovers who want to push their skills beyond the basics. This collection features 400 brain-teasing puzzles , gradually progressing from medium to hard difficulty — perfect for experienced solvers looking to stay sharp. In each puzzle, fill the 9x9 grid with numbers from 1 to 81 in a continuous path. Each number must touch the next one horizontally or vertically (no diagonal moves). Sounds simple? Wait until you try the harder levels! Book Features: 200 Medium + 200 Hard Numbrix puzzles - 2 puzzles per page to minimize page turns - Solutions included at the back of the book - Compact 6x9 size – perfect for travel, home, or work breaks - Great for adults, smart solvers, and logic lovers Sharpen your mind, improve focus, and enjoy hours of brain-stimulating fun. A must-have for serious Numbrix fans!