It is complete bananas to not pick up this fun puzzle book. Sudoku is a logic-based, combinatorial number-placement puzzle. The objective is to fill a 16x16 grid with digits so that each column, each row, and each of the nine 3?3 sub-grids that compose the grid contains all of the digits from 1 to 9. The puzzle setter provides a partially completed grid, which for a well-posed puzzle has a single solution.
