“Book Descriptions: Castle society is based on order. Underfolk are servants to the Chosen. Spiritshadows are bound to humans. And Icecarl warriors are an outside threat - getting closer every day. Now the order is threatened. Tal and Milla are finding out that nothing in the Castle is what it seems. With the help of two Spiritshadows from the dreamworld of Aenir, and a fierce band of Underfolk rebels, Tal and Milla must uncover a dark conspiracy - at the risk of their lives.” DRIVE