Puzzlemadness Giant 16x16 Sudoku

Bored of Sudoku? Looking for something new? This book is the new challenge you are looking for 200 Giant 16x16 Sudoku puzzles from the popular PuzzleMadness website. Containing 200 graded Giant 16x16 Sudoku puzzles there is something for everyone Printed on high-quality paper that will easily withstand the constant erasing and re-writing that a Sudoku puzzle requires. The 200 puzzles are broken down as... 50 easy puzzles. Perfect if you've never played Giant 16x16 Sudoku before 50 medium puzzles. A little more challenge. 50 hard puzzles. 50 tough puzzles. Perfect for those who are experienced Giant 16x16 Sudoku puzzlers looking for extra challenge. Every puzzle has a unique solution and can be solved by logic alone - no guessing required. Full answers are given in the book. Giant 16x16 Sudoku is very similar to standard Sudoku, but the puzzle is a 16x16 grid, and not the standard 9x9 grid. In addition to the numbers 1-9, you also have the letters A-G to enter in to the grid. Each of these must appear once (and only once) in every row, column and 4x4 region. You can use all of the same techniques as you would for 9x9 Sudoku, but the bigger grid gives that extra challenge