text: In one of this author's novels, the title character introduces the god Abraxas to Emil Sinclair.
full_question: In one of this author's novels, the title character introduces the god Abraxas to Emil Sinclair. The protagonist of a novel by this author succeeds to the position held by Thomas van der Trave, and that novel ends with the protagonist drowning in Castalia. That novel by this author opens with the Music Master recruiting the protagonist into the Waldzell school. The title character of another novel by this author of Demian becomes a merchant upon Kamala's insistence, learns from the ferryman Vasudeva, and leaves home with Govinda to seek enlightenment. For 10 points name this German author ofÂ The Glass Bead GameÂ and Siddhartha.
first_sentence: In one of this author's novels, the title character introduces the god Abraxas to Emil Sinclair.
raw_answer: Hermann Hesse