Fast, compact, and challenge-led, this edition is built for serious solvers who want hard Sudoku in a smaller format. It includes 100 hard Sudoku puzzles designed for deeper focus and stronger logical play.

This book is a strong fit for solvers who want a compact edition that still feels rewarding and substantial, whether for regular use or short, intense puzzle sessions.

• 100 hard Sudoku puzzles
• Compact travel-sized layout
• Full solutions included
• Portable format for quick access
• Designed for experienced solvers