Sudoku Hard

About This Book

READY FOR A SERIOUS SUDOKU CHALLENGE? Take on 500 hard Sudoku puzzles designed for experienced solvers and puzzle enthusiasts who enjoy a greater level of difficulty. The Hard edition is the most challenging book in the Sudoku Challenge Series. These puzzles are intended for solvers who are comfortable with Sudoku fundamentals and want longer, more demanding solving sessions. WHAT'S INSIDE • 500 hard Sudoku puzzles • Advanced difficulty for experienced solvers • Clean, easy-to-read puzzle layouts • Hundreds of challenging solving sessions • A strong choice for dedicated Sudoku enthusiasts THE COMPLETE CHALLENGE The Sudoku Challenge Series includes: Book 1: Easy Book 2: Medium Book 3: Hard Start with Easy, build your confidence with Medium, and take on Hard when you are ready for the highest challenge in the series. Choose your puzzle. Trust your logic. Take on the challenge.