"Caspar Hauser; oder, Die Trägheit des Herzens, Roman" by Jakob Wassermann is a historical novel published in 1908. The story follows the final six years of the mysterious foundling Caspar Hauser's life in Nürnberg and Ansbach. A young man appears with no language and no past, possessing supernatural abilities. As various guardians attempt to educate and protect him, shadowy figures send assassins to eliminate him. The novel explores questions of noble birth, human nature, and the forces working against an innocent caught in political intrigue.