100 Sudoku Puzzles | 100 Solutions to the 100 Sudoku Puzzles| Puzzles for Kids, Teenagers, Youths and Adults| Improve your Problem Solving & Memory Skills |Improve your Concentration Skills | Fun & Challenging   Sudoku is a fun logic puzzle game that is interesting and addictive to play. Sudoku is a great way to learn and inculcate the art and habit of perseverance and problem solving. The aim and objective of Sudoku is to fill in the empty cells, one number in each, so that each column, row, and region contains the numbers 1-9 exactly and the same number cannot exist twice. FEATURES AND BENEFITS OF SUDOKU 9x9 VOLUME 13 JOURNAL NAME:   SUDOKU 9x9 VOLUME 13. 100 SUDOKU PUZZLES IN THIS VOLUME- GREAT FOR BEGINNERS, INTERMEDIATE AND EXPERT  SUDOKU PLAYERS THERE ARE 100 ANSWERS AND SOLUTIONS TO THE 100 SUDOKU PUZZLES IN THIS VOLUME. IMPROVE YOUR PROBLEM SOLVING SKILLS : Sudoku puzzles are a great way to improve your problem solving skills. You have to think outside the box to solve the puzzles in this volume. PLAYING SUDOKU PUZZLES CAN HELP IMPROVE YOUR MEMORY SKILLS as you have to remember the numbers that are placed in each row, column and block. PLAYING SUDOKU PUZZLES CAN HELP RELIEVE STRESS : This  is a perfect way to focus on something more relaxing like solving puzzles and also help you to take your mind off stressful situations or conditions. PLAYING SUDOKU PUZZLES CAN HELP IMPROVE MENTAL CLARITY AND FOCUS: When/While Playing Sudoku Puzzles, your mind is constantly working to solve the puzzles and this can help improve your mental clarity and focus.  FUN AND CHALLENGING : Playing Sudoku puzzles can be both fun and challenging as there are more than 100 Sudoku puzzles to choose from and solve. MENTAL HEALTH DEVELOPMENT AND/OR MENTAL SHARPNESS: According to Health Experts, SUDOKU is a mental math game that provides great benefits for the generation of new neurons which will help kids, children, youths and elders in mental health development. PLAYING SUDOKU HAS BEEN PROVEN TO SLOW THE NEGATIVE IMPACT OF ALZHEIMER’S DISEASE : According to Health and/or Medical Experts, playing memory training games/exercises like puzzles in Sudoku  can strengthen the brain and also slow down the negative impact of Alzheimer’s disease. THIS SUDOKU 9x9 VOLUME 13 has a grid structure of 9x9 squares, which in turn is divided by internal grids of 3x3 squares. NUMBER OF PAGES : THERE ARE 125 PAGES IN THIS VOLUME THIS SUDOKU PUZZLE CAN BE PLAYED BY ALL PEOPLE