Question: Who wrote the supernatural investigation novel which derives its title from a line in the "nunnery scene" soliloquy of the play "Hamlet"?
Sentence (from "Undiscovered Country"): The play is an adaptation of "Das Weite Land" by the Austrian playwright Arthur Schnitzler, which focuses on 1890s Viennese society, demonstrating the effects of upper class codes of behavior on human relationships.
Relevant evidence: No