Synopsis: Sleator is at his sci-fi best with this quantum thriller, now available in paperbackIn this gothic, sci-fi thriller from a master storyteller, Susan and her wheelchair-bound brother, Gary, discover a mysterious maze in the vast gardens of their isolated home. Planted by a scientist uncle who disappeared long ago, the maze offers seemingly endless routes and choices. The teenagers discover that each turn they take alters their world in some way. Sickly Gary sees a chance to change his fate; Susan sees that they may both be lost forever.