Are you looking for a puzzle book that will help you keep your mind sharp?Research shows that puzzles are the best challenge for our brains. This puzzle book contains Sudoku and Word Search puzzles. Word Search is one of the most common types of puzzles. Challenge yourself to spot words in a sea of letters. Sudoku is a math-based puzzle. You don't need to be a math whiz to enjoy a great Sudoku puzzle. Whether relaxing after a hard day or sharpening your mind, Sudoku or Word Search puzzles are a great way to spend time. This book is one of a series of 3 books of increasing difficulty. Are you looking for a puzzle book that will help you keep your mind sharp?Research shows that puzzles are the best challenge for our brains. This puzzle book contains Sudoku and Word Search puzzles. Word Search is one of the most common types of puzzles. Challenge yourself to spot words in a sea of letters. Sudoku is a math-based puzzle. You don't need to be a math whiz to enjoy a great Sudoku puzzle. Whether relaxing after a hard day or sharpening your mind, Sudoku or Word Search puzzles are a great way to spend time. This book is one of a series of 3 books of increasing difficulty.