Sudoku A Game for Mathematicians 1000 Puzzles Very Easy to Hard Difficulty

Featuring a collection of 1000 Sudoku puzzles ranging from very easy to hard, this book offers hours of engaging entertainment. It's an excellent gift choice and serves as a fun way to enhance problem-solving skills. Ideal for passing time during dull moments, such as waiting or being stuck indoors due to inclement weather, it transforms boredom into relaxation while also sharpening memory.