I like the idea a lot, and the interface is very easy to use. However, I entered a Neil Gaiman Sandman book in my first four, and it showed me another Neil Gai

I like the idea a lot, and the interface is very easy to use. However, I entered a Neil Gaiman Sandman book in my first four, and it showed me another Neil Gaiman book, which seems odd? But then again I didn't recognize it, so maybe the statistics really do point that way. But excluding books by the same authors you've entered might make sense.