When Is Empyrean Book 4 Coming Out?
Empyrean Book 4 has no title and no release date as of October 15, 2026; Rebecca Yarros is still writing it (Business Insider). Threshing Day, released September 29, 2026, is a companion story collection, not book 4 (threshingday.com).
Last checked: · Source: threshingday.com (official)
Latest updates
- Threshing Day (13-story companion collection) released. [source: threshingday.com (official)]
- Yarros posted that she had begun writing book 4. [source: Business Insider – Empyrean book 4]
Books in order
| # | Title | US date | Buy |
|---|---|---|---|
| 1 | Fourth Wing | — | AmazonBookshop |
| 2 | Iron Flame | — | AmazonBookshop |
| 3 | Onyx Storm | — | AmazonBookshop |
| 3.5 | Threshing Day (companion collection) | September 29, 2026 [source: threshingday.com (official)] | AmazonBookshop |
| 4 | Untitled Book 4 | — | AmazonBookshop |
Dates are shown only where we have a source. “—” means we haven't sourced that date yet.
What we know about the next book
- Series length: Planned as five books; three novels are out. [source: Polygon – Threshing Day is not book 4]
- Progress: Yarros announced she began writing book 4 on March 19, 2026. [source: Business Insider – Empyrean book 4]
FAQ
When is Empyrean Book 4 coming out?
Empyrean Book 4 has no title and no release date as of October 15, 2026; Rebecca Yarros is still writing it (Business Insider). Threshing Day, released September 29, 2026, is a companion story collection, not book 4 (threshingday.com).
Is The Empyrean finished?
No, the series is ongoing.
What order should I read The Empyrean?
In publication order, as listed in the books table on this page.
Is Threshing Day Empyrean book 4?
No. The official site calls it “a companion collection, not the continuation of Violet and Xaden’s story after Onyx Storm.” Yarros called it “my next book (not book four!)”.
What is the title of Empyrean book 4?
No title has been announced.
Books like The Empyrean
- Crescent City by Sarah J. Maas
- Throne of Glass by Sarah J. Maas
- Red Rising by Pierce Brown
- Hierarchy by James Islington
We may earn a commission from links on this page (disclosure). Spotted a change? Report a date change.