Let's talk about Onyx Storm becoming the fastest selling adult novel in the past 20 years

Onyx Storm by Rebecca Yarros is now the fastest selling adult novel in the past 20 years! I love to see a new book series command it's place in pop culture like the days of Harry Potter and Twilight.
📚 Books Mentioned:
Onyx Storm by Rebecca Yarros ( / onyx-storm )
Iron Flame by Rebecca Yarros ( / iron-flame )
Fourth Wing by Rebecca Yarros ( / fourth-wing )