Publisher's Synopsis
We have something new for you, Brain Teaser Puzzles Book, a great way for you to spend a few hours in deep concentration, working out complex and fun puzzles and conundrums.
Sukaku ("Suuji Kakure"; also known as "Pencilmark Sudoku") has 81 groups of digits in a 9 x 9 grid. Like a standard Sudoku, the puzzle must be completed in such a way that each row, each column and each 3 x 3 box contains digits 1 through 9. Only the candidates shown in the grid can be used.
The book comes complete with the solutions at the back, so you'll always know if you got it right, or can find the solution if you are really stuck for the answer.
Don't delay. Get a copy today!