Mini Sudoku (4X4 And 6X6) : 60 Fun And Challenging 4X4 And 6X6 Puzzles (Plus 10 Bonus 9X9 Puzzles)

<p>60 4x4 and 6x6 puzzles + 10 FREE 9x9 puzzles. <b>ANSWERS included for all puzzles.</b></p><p>READY FOR A BRAIN WORKOUT?<br/>Just as your body needs regular exercise so does your brain. Sudoku puzzles keep your brain active and help develop your <b>memory logical thinking and concentration</b>.</p><p>This book helps you learn the basics of solving Sudoku puzzles through 60 fun yet challenging 4x4 and 6x6 puzzles. Finally try the <b>10 FREE 9x9 puzzles</b> for a greater challenge!</p><p>If you can count to 10 you can start solving these puzzles TODAY! </p>