In one of this author's novels, a gypsy seduces one title character and the other becomes an abbot.  That novel, Narcissus and Goldmund, was published three years after another by this author in which
In one of this author's novels, a gypsy seduces one title character and the other becomes an abbot.  That novel, Narcissus and Goldmund, was published three years after another by this author in which features a book-within-a-book that is labeled "For Madmen Only". In another of this author's novels the title character becomes business partners with Kamaswami and joins a group of ascetics with his friend Govinda. For 10 points, name this German author of Siddhartha who also wrote about Henry Haller in Steppenwolf.
In one of this author's novels, a gypsy seduces one title character and the other becomes an abbot.  
Hermann Hesse