Question: What is the name of the book that was written by the author of Metamagical Themas?
Sentence (from "Douglas Hofstadter"): Douglas Richard Hofstadter (born February 15, 1945) is an American professor of cognitive science whose research focuses on the sense of "I" (sense of self in relation to the external world), consciousness, analogy-making, artistic creation, literary translation, and discovery in mathematics and physics.
Relevant evidence: No