Taking care of your brain is just as beneficial as taking care of the rest of your body—research has shown that training games help improve memory, concentration, problem-solving skills, processing speed, creativity, and reasoning. provides a year’s worth of challenging mental activities to keep your brain sharp and flexible. There are 365 total exercises—enough for one a day—comprising 37 different types of word games and puzzles, spaced evenly through the book. 36 types have ten exercise, while the 37th has give exercise. There are ten levels, generally increasing in difficulty as you go through the book. Chamberlain offers a variety of games and puzzles, each with ten examples that increase in difficulty as you work through the book. This collection includes some fan favorites along with many new and exciting puzzles that will further develop your skills.