Hey Y'all Boring old 9x9 sudoku got you down? Join the hexadecimal sudoku club Some of these puzzles are easy, and some are epic challenges. You'll be surprised how quickly you adapt to the seven additional symbols used in these 16x16 puzzles. Enjoy

You're familiar with hexadecimal, or 16x16, Sudoku. This book has a twist. There's a prominent technique used to solve Sudoku puzzles that requires the memorization of a list of characters. None of the 100 puzzles in this book require memorizing lists. There are many other devices of logic used to solve Sudokus, and you can employ them here. Don't worry - these puzzles can still be plenty difficult. Give it a try.

You're familiar with hexadecimal (16x16) Sudoku. This book has a twist. There's a prominent technique used to solve Sudoku puzzles that requires the memorization of a list of characters and the process of elimination to solve for a single cell. I call it "Memory Sudoku." I designed this book to focus on that single logic tool. The 100 puzzles in this book require no other logic than Memory Sudoku logic. Enjoy