Highlights

250+ puzzles, word games, trivia quizzes & number challenges that may help boost your memory.
Various levels of difﬁculty perfect for every puzzle lover.
Variety of puzzles to help exercise multiple aspects of cognitive ability.
Easy-to-use format allows you to write on (and erase!) pages, and handy answer key helps when you get stuck.
Convenient Wire-O binding so book lays ﬂat while you work!