Secret Santa Christmas Sudoku: 200 Sudoku Puzzles - Paperback

by Colin Karpeta (Author)

This Secret Santa Christmas Sudoku Puzzle Book contains 50 Hard Puzzles, 50 Difficult Puzzles and 100 Insane Puzzles. The perfect holiday gift for the Sudoku Puzzle lover.In this classic sudoku, the objective is to fill a 9 9 grid with digits so that each column, each row, and each of the nine 3 3 subgrids that compose the grid contain all of the digits from 1 to 9