Книга "Funny Crossword Puzzles For Your Lazy Day". A challenging crossword puzzle is a proven rewarding activity for spending extra hours. The skills necessary to complete a crossword puzzle exercise the mind, and provides a high degree of satisfaction. An interesting crossword puzzle can enhance the hours of a lazy day while:- taking a long flight- babysitting- waiting in a doctor's office- relaxing at home before bedtime- finding a diversion from normal daily stress.