Sudoku (Set of 4 Books) with more than 800+ Puzzles

Here is a chance to improve your math logic and reasoning skills. This is a set of 4 sudoku puzzle books that will help keep your mind sharp and healthy. Solving a sudoku or two daily relaxes the mind by reducing stress and anxiety. Between office work or housework classwork or homework these sudoku challenges are a great way to pass the time and provide excellent benefits to adults and kids alike. 1. This set of activity books includes 4 sudoku puzzle books to help keep your mind sharp and improve memory and logical skills.2. Solving sudokus reduces stress and anxiety levels and helps to keep the mind calm. 3. The books come loaded with more than 800 puzzles to keep you entertained and exercise your mind.4. Each activity book has been designed to include 200+ sudoku challenges. As each puzzle is solved you will gradually transform into a quick thinker and develop logical and reasoning skills. Each book also provides solutions to every challenge. 5. The sudoku challenges are suitable for adults and kids alike. Enhance your Intelligence Quotient with these challenges and witness a rewarding outcome.