Take your brain for a jog around an entertaining new collection of twisters. Many play with clues that are numbers, letters, or words, but are tougher than they look. Three examples: o Find the single letter clue that tells you a monkey's name, where it lives, and its message to you. o Complete a crossword puzzle by filling blanks with words that mean the opposite of the clues. o Finish a joke by making up the punch line.