Extremely Hard Word Search for Adults is not only a book to pass the time, but also provides a lot of great exercises for keeping your brain fit. 100 puzzles in the book are able to boost your mind in a number of ways including increased processing speed, improved working memory (both short and long term), advancing logical and strategic thinking, expanding vocabulary, strengthening spelling proficiency, as well as providing a creative outlet for problem solving and competition. You always have time for word search, don’t you? Let’s pick up the book and start your stress-relieving experience! Extremely Hard Word Search for Adults includes: 100 word search puzzles (8.5x11-inch pages) - 9000 words from easy to difficult - A diverse variety of topics - Simple and straightforward page design - Solutions on the last pages