Sudoku 4x4 puzzles: puzzles for all ages with 120 sudoku puzzles with solutions

'Sudoku 4x4 puzzle' contains 120 puzzles with solutions; 60 puzzles are the easy level and the other 60 puzzles are the difficult level. Each page has two sudoku 4x4 puzzles and solutions are on the following page.Sudoku is quite a brain trigger puzzle. It boosts your brain, suitable for all agesThe book page size is 6x9 inches so you can carry the book with you anywhere, with the total of 125 pages