This week we explore the rise of two hugely popular fantasy book series - Throne of Glass and Iron Flame. We analyze the online fanbases surrounding these books and how authors Sara J. Maas and Rebecca Yarros leveraged platforms like TikTok to drive excitement. Diving into their pre-release marketing campaigns, we break down which social media strategies translated into stunning debut numbers. We theorize what marketing would look like without social media. Could Rebecca Yarros and Sara J. Maas have made as large of a following in the pre-internet age? Tune in to find out!