Because there is no Netflix for books – the library doesn't mail your selections! – you're also losing out on a recommendation engine for the printed page. Enter What Should I Read Next?, which simply asks you enter the title and author of a book you enjoyed, and then it'll spit out other manuscripts you might enjoy. It seems to have a six degrees methodology: Users add books to their favorites list, and the more times books are connected, the more likely they'll be linked in recommendations. Or, you could just sign into Amazon.