The final panel at Readercon addressed gender and sexuality in speculative fiction (aka, fantasy and sci-fi). The discussion became intense when it came to letting the reader know in advance that a story contained "controversial" material. For example, many romance novels now carry "warning labels" if they contain explicit sex scenes.
What do you think? Should books have some kind of warning labels, much like TV shows now rate themselves and warn of issues with sex, violence, and/or language?