12+ Years

Do you want to improve your logic, math and reasoning skills? A load of sudoku puzzles can sharpen these skills while also enhancing concentration...

This book provides a great chance to keep your mind sharp with an exciting bunch of sudoku puzzles. Solving a sudoku or two each day helps enhance...

This book includes sudoku puzzles to supercharge your mind and boost your intelligence quotient. Solving sudoku puzzles lets you have fun while yo...

No more misspent time! Here is an exciting and challenging solution to supercharge your mind and use time productively. Loaded with 202 puzzles an...