Readers, writers, and story-lovers converge to meet the best in sci-fi, fantasy, and horror. This year's lineup includes author and activist Cory Doctorow, award-winning writers Gabino Iglesias and Sequoia Nagamatsu, Aztec gamer and artist Gonzalo Alvarez, and editor Rick Klaw, who's here celebrating new releases with Joe R. Lansdale and Josh Rountree.