Many interesting lists including top 10 ways to be evil in children’s books, top 10 castles in fiction and top 10 sci-fi sagas can be found at

http://www.theguardian.com/childrens-books-site/series/childrens-books-top-10s

Lots more Top Tens on themes such as gothic novels, comic war novels and fictional troublemakers are listed at

http://www.theguardian.com/books/series/toptens