The Deavys

"For any normal teenage boy, having two and a half younger sisters would be enough to deal with. But Simwan Deavy's life isn't normal. His family is non-Ord--short for 'non-Ordinary'--which means that at school, he and his sisters learn hexing and enchanting along with history and math. It also means they have a ghost for an uncle and a cat who talks. Still, everything is going well for Simwan--until a bottle of Truth is stolen from the local pharmacy. Now the Deavys' favorite woods are under threat from development; their mother, whose life depends on the Truth, is growing weaker; and the world as they know it might never be the same"--