Author Rebecca Yarros left fans on a wild cliffhanger with the second book in her Empyrean series, Iron Flame. Readers have done what they do best: come up with fan theories!
Rebecca Yarros Talks Fourth Wing Book 2, Iron Flame today.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from today.com Daily Mail and Mail on Sunday newspapers.