Series guide · Rebecca Yarros
Fourth Wing (The Empyrean): books in order and when the next book comes out
Quick answer · Empyrean book 4 (untitled): no date yet
There is no release date yet for Empyrean book 4, the sequel to Onyx Storm. Rebecca Yarros started writing it in early 2026 after finishing a standalone novel, and neither she nor her publisher has announced a title or date.
Yarros has said the series is planned as five books, so book 4 will be the second-to-last.
Checked Wednesday, October 7, 2026 · Source: Winter Is Coming
The Empyrean books in order
- 1 Fourth Wing · 2023
- 2 Iron Flame · 2023
- 3 Onyx Storm · 2025
- 4 Untitled book 4 · no release date yet
While you wait: 9 books to read after Fourth Wing →
Common questions
When does the next Fourth Wing book come out?
There is no release date yet for Empyrean book 4, the sequel to Onyx Storm. Rebecca Yarros started writing it in early 2026 after finishing a standalone novel, and neither she nor her publisher has announced a title or date.
How many Fourth Wing books are there?
There are 3 published The Empyrean books, with more on the way. Yarros has said the series is planned as five books, so book 4 will be the second-to-last.
What order should I read the Fourth Wing books in?
Read them in the numbered order below, starting with Fourth Wing.
Who writes the Fourth Wing books?
The Empyrean is written by Rebecca Yarros.
More series guides
We check release news against the author's and publisher's announcements and update this page when a date is confirmed.