Can you hear us fangirling? We caught up with eight best-selling, YA, comic-loving authors Scott Westerfeld, Jason Reynolds, Rainbow Rowell, Dean Hale, Shannon Hale, Ryan North, Cecil Castellucci, and Margaret Stohl to talk cosplay, writing Marvel and DC superheroes and group writing an epic Comic-Con Squirrel Girl story together with an appearance by Galactus!