You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "What is the name of the book that was written by the author of Metamagical Themas?" whose answer is Gödel, Escher, Bach: An Eternal Golden Braid.
Each document should contain about 30 words, and these documents should contain useful information.

Query: author of Metamagical Themas
Useful Output:

Doc 1: Metamagical Themas. Parquet deformations: patterns of tiles that shift gradually in one dimension. Douglas R. Hofstadter. Scientific American Logo. The Sciences
Doc 2: Instead of a “book”, perhaps I should call it a really interesting collection of essays written by Douglas Hofstadter for Scientific American in
Doc 3: Metamagical Themas [Hofstadter, Douglas] on Amazon  Bio from Wikipedia, the free encyclopedia. Read more about this authorRead less about this author.
Doc 4: Within that seemingly Talmudic question lies much of the terrain that Douglas Hofstadter explores in “Metamagical Themas”--the fuzzy borders
Doc 5: ~ In this scholarly, entertaining, and provocative book named after his recent column in Scientific American, Douglas Hofstadter has collected 33 essays and