Hard Sudoku Puzzle Book Volume 1 : Inner Vitality Systems LLC : 9781951382063 : 1951382064 : 05 Jun 2020 : Fun Brain Buster Sudoku Puzzles that will keep your mind sharp while you relax and enjoy the mental workout. Sudoku Puzzles are a great and fun way to relax and challenge your mind. Inside the book you will find: 1 Large Print Puzzle on each page 100 Hard Sudoku Puzzles with Answers Great workout for your brain Hard Level of Difficulty Great gift for puzzle lovers Large 8.5"x11" format Hours of fun for the whole family If you are looking for a great way to exercise your mind, then this puzzle book is for you. This Sudoku puzzle book will also make a great gift for any occasion. Join millions of people who have enjoyed the mental stimulation of Sudoku puzzles. ?? Click the "Buy Now" button to get started. ??