No need to strain Your Eyes bei doing Sudoku! Rather save the effort to exercise your mind by playing this fabulous game. This game can provide you with numerous benefits, besides keeping you entertained for many hours. Benefits of Sudoku: Improves ConcentrationImproves Logical Thinking and Thinking SkillsImproves your MemoryIt helps to reduce Anxiety and StressIt Delays Brain AgingFeatures of this Book: 50 Easy 100 Medium Sudoku Puzzles1 Puzzle per PagePlenty of Room to WorkIncluding All SolutionsBeginner to Intermediate8.5" x 11" Perfect SizePremium Matte Color Cover DesignPerfect as a GiftKeep Your Mind Occupied and Active! Buy One Now!