Chaos Clock & Chaos Quest: 2 Books in 1

Time won't stand still. It's being blown apart.In Edinburgh, time is coming unstuck and the past is breaking loose. Best friends Kate and David are no ordinary kids. They are keys: powerful controllers of time.With their powers the friends are forced into the middle of a war between the evil Lords of Chaos and the Guardians of Time. Can they prevent the barriers between times being blown away forever?Enter a race against time in Chaos Clock and its thrilling sequel Chaos Quest.