Have your preteens visited the new amusement park yet? It's called the Math Zone, where they learn how much fun math can be! As students enjoy activities within a colorfully illustrated carnival setting, they discover how math factors into just about everything: from the working of the Mobius-strip Roller Coaster and the Tilt-A-Whirl to the making of 'unknots' and secret codes! 128 pages, softcover from Wiley & Sons.