Sarah J. Maas · The Valkyrie Cycle

A new chapter of Prythian begins here.

The next story in the world of the Fae courts, ancient threats, dangerous alliances and complicated loyalties.

October 27, 2026Fantasy · Romantasy · New AdultBloomsbury
A Court of Splintered Harmony book cover
October 27 · The Valkyrie Cycle begins
Scroll ↓
ReleaseOctober 27, 2026
SeriesA Court of Thorns and Roses
CycleThe Valkyrie Cycle
PublisherBloomsbury

The story moves forward.

Sarah J. Maas returns to Prythian with the sixth book in the ACOTAR series. This is the opening of a new cycle, built on the mythology, relationships and unfinished conflicts already woven through the world.

A new phase of Prythian

The familiar courts and mythology remain, but the story opens into a fresh direction: new pressure on old alliances, more of the world beyond what readers already know, and another long arc taking shape.

Koschei is still a problem

Koschei the Deathless continues to cast a shadow over the larger conflict. His presence keeps the stakes personal as well as political.

Romance still matters

Relationships are not decoration here. Love, loyalty and betrayal sit alongside power, magic and court politics — and personal choices can change the balance.

The Valkyrie Cycle begins

For longtime readers, the significance is simple: this is not the end of Prythian. It is the beginning of its next movement.

Sarah J. Maas
Sarah J. Maas · Author
The author

Sarah J. Maas

Sarah J. Maas is the #1 New York Times bestselling author of the A Court of Thorns and Roses, Throne of Glass and Crescent City series.

Her work is known for immersive fantasy worlds, romance, intricate character relationships and storylines that unfold across multiple books.

A Court of Thorns and RosesThrone of GlassCrescent City
The Valkyrie Cycle · Movement I

October 27.
Back to Prythian.

A Court of Splintered Harmony arrives October 27, 2026. If you've been waiting for the next chapter, this is the date to keep.

A Court of Splintered Harmony · Sarah J. Maas · Bloomsbury