Mixed Puzzle activity book series is the collection of 7 types of brain games that will amuse and entertain. Its a fun way for teens, adults, or seniors to sharpen their minds and test their Brain.Some of the popular puzzles and brain games in this book include:* Sudoku* Crossword * Word Search * Word Scramble * Missing Vowel * Maze and * KakuruAdditional Features:* Suitable for all Levels: Beginner to Expert.* Solution can be found at the end of each chapter* Perfectly Sized - 8.5" x 11"* Premium Matte Color Cover* Large PrintSrfina Publishing: Puzzle books for all !!!