Take on these fiendish puzzles devilishly created to either make or break your IQ. They're the toughest examples of the most popular logic puzzle types: Find the Missing Figure, Guess the Picture Sequence, Detect What Word or Letter Comes Next, Odd One Out, Missing the Symbols, Number Crunching, Cryptograms, and more. There's a Nightmare Before Christmas puzzle, and Sherlock Holmes returns to solve the mystery of which of three brothers broke his window, plus dozens more too hard to even describe here. And if the questions are rough enough, the drawings, cartoons, and illustrations will add to your bafflement and fun. 96 pages, 195 b/w illus., 5 3/8 x 8 1/4.