To me, the value in Goodreads is how thoroughly categorized, tagged, and complete their catalogue is. I've used it more than once to find books that I used to own but never read based on the most miniscule details. All I remembered about The Innamorati was that it had a maze and a cool cover. Goodreads has an enormous list of books with hedge mazes and labyrinths! I found it with some casual browsing while watching reruns.