I wanted a book ______ Oscar Wilde and asked the librarian to show _____ me some ______ his books.

I wanted a book ______ Oscar Wilde and asked the librarian to show _____ me some ______ his books.

Explanation
  • "By" is used for authorship (book by Oscar Wilde).
  • "To" is used for direction (show to me).
  • "By" is used for possession (some by his books).