Whatever was said at the private meeting between Hanno Stiffeniis and Immanuel Kant changed both their lives. Ten years later, now a magistrate, Stiffeniis returns to Konigsberg to investigate a spate of murders. While hunting for the murderer, he is caught up once again in the world of his former mentor, Kant. Paperback , 400 pages Published 2007 by Faber and Faber (first published January 1st 2006)