User blog comment:Ericmoro/Wikia Book Club: Harry Potter and the Sorcerer's Stone/@comment-5169697-20120622161421/@comment-4476879-20120622161906

I think "Catching Fire" is something they may be planning for a future chat, though I'm not sure if they've finalized any plans for future chats - those books in the graphic might simply be titles that they're considering.