Huge Collection of Brain Teasers Puzzles for Adults and Toddlers. We all enjoy playing Sudoku because it is fun and addictive. These witty and challenging Sudoku puzzles will keep your mind sharp. Sudoku increases concentration and makes you feel happy. Sudoku is very helpful for adults to sharp brain because playing Sudoku is a brain workout game. Exclusive features of this book: Huge Number of Puzzles: Over 960 Puzzles & Solution. Levels: Medium to Simple Hard Level Of Difficulty. 4 Puzzle each page. Size: 8.5*11 (Best Size). Puzzle Solution tips for beginners. 960 Medium problems which will give a bigger challenge to your brain. At end of book solution of all Problems. This book can be the best birthday gift for all ages birthday guy. This book with hundreds of hours of fun inside makes a great gift! Finally enjoy your time with playing Sudoku and makes sharp your brain. This Sudoku puzzle books for adults will enable your focus to control. It is difficult to tackle a Sudoku puzzle without fixation. The more riddles you play, the more retained in your errand you will be each time, improving your fixation abilities bit by bit. Logical thinking is very important in real life. Sudoku puzzle books help to increment intelligent reasoning. Sudoku is a riddle with straightforward, straightforward guidelines that any child can attempt. The need to participate in coherent speculation to fill the matrix effectively in addition to the cycle of experimentation they should apply will normally and unknowingly help to build up their critical thinking aptitudes. This Sudoku puzzle book for adults Consistent aptitudes are the main genuine prerequisite to have the option to play a Sudoku puzzle. Indeed, even for this situation, the derivation design is a basic one: in the event that X is valid, at that point Y is bogus. Hard Sudoku puzzles rely exclusively upon the quantity of designated signs given toward the start of each puzzle. Sudoku puzzle book gives you a feeling of achievement when you can unravel a riddle, particularly the riddle is a troublesome one.