More and more people are turning to puzzles and brainteasers as a way to keep their minds sharp as they age. "The Big Book of Bathroom Brain Sharpeners," a bind-up of "Little Book of Bathroom Sudoku, Kakuro," and "Brainteasers," offers hundreds of fun, stimulating puzzles for all ages and skill levels. It's a great way to test your wits during a commute, over breakfast, or even in the bathroom

• Lifestyle > Hobbies, quizzes & games > Puzzles & quizzes > Crosswords