Megan McCluskey writes: “Since its launch in 2007, Goodreads has evolved into the world’s largest online book community. The social networking site now has millions of users who rate and review books, find recommendations for new ones and track their reading. But over time, Goodreads has also become a hunting ground for scammers and trolls looking to con smaller authors, take down books with spammed ratings, cyberstalk users, or worse.”