Created by the powerful Hasyisi, yet missing for centuries from its home world, the Lyre just hangs in a willow tree, waiting.. Hasyih, the Heart of the Worlds, links contiguous dimensions, many worlds invisible to each other, yet accessible through doors on Hasyih, one of the keys to which is the Lyre. Now danger threatens both Hasyih and Ranuit, the only inhabited worlds in the group, and when a young girl takes the Lyre from the willow tree, a...