Meet Mary-Kate and Ashley, the Tween Queen Twins! Your new best friends have just arrived... Mary-Kate and Ashley are off for another exciting summer with their friends - only this time they're exploring Hawaii! Their adventures begin with the Endurathon, a Survivor-like competition for kids. But the game turns sour when everyone realises it's much more fun to lounge around the pool sipping tropical fruit drinks than it is to build huts and search for food - and tries to get voted off the island! Part one of a special 2-part diary series! By Nancy Butcher.From the series created by Robert Griffard and Howard Adler.