Rebecca Yarros published No. 3 out of the five books she has planned in her "The Empyrean" series last week and has already broken the record for fasting-selling novel targeted at

The book, the third in a series, has sold 2.7 million copies in its first week, and provided yet another example of the romantasy genre’s staying power.

The series, which hit the top of the bestseller lists when it launched with Fourth Wing in 2023, is expected to continue the trend in huge sales, with some in publishing pinning their hopes on Onyx Storm as the bestselling book of the year.

You can read other fantasy novels with enemies-to-lovers plots after you finish Rebecca Yarros' "Onyx Storm."

At a New York event, Rebecca Yarros celebrated "Onyx Storm" and said she already knows how the "Empyrean" series will end.

Rebecca Yarros released "Onyx Storm" on January 21, but readers are already looking forward to the next book in the "Fourth Wing" universe.