Threshing Day (Limited Deluxe Edition) : Return to the Empyrean world with thirteen stories starring your favourite Fourth Wing characters.

Author: Rebecca Yarros

Fantasy romance

Published on 29 September 2026 by Little, Brown Book Group (Piatkus Books) in the United Kingdom.

Hardback | 224 pages, N/A
163 x 243 x 26 | 458g

Discover the beloved world of the record-breaking, multi-million-copy bestselling series where power always demands a price, secrets darken every hallway, and death is only ever a heartbeat away.

'Yarros is the true inheritor of Harry Potter and inspires Hunger Games levels of devotion' GuardianTHIRTEEN UNFORGETTABLE STORIES.

ONE LEGENDARY DAY.

Welcome to Threshing Day, the brutal, high-stakes trial where would-be riders at Basgiath War College fight to earn the bond of a dragon or die trying. Amid ruthless competition and dragon fire, these thirteen cadets must survive a battlefield where desperate rivals will do anything to gain an advantage and dragons decide one's ultimate fate-and where a single choice can forge a rider...or destroy them.

Xaden Riorson, the powerful leader. Rhiannon Matthias, the clever friend. Dain Aetos, the dutiful rule-follower. Liam Mairi, the kindhearted protector. Ridoc Gamlyn, the jokester. Sawyer Henrick, the underdog. Garrick Tavis, the dependable aide. Imogen Cardulo, the impulsive fighter. Bodhi Durran, the second-in-command. Mira Sorrengail, the fearless rider. Brennan Sorrengail, the brilliant tactician. Aaric Graycastle, the restless royal. Sloane Mairi, the determined sister.

On Threshing Day, there's only one rule: don't die.

Don't miss out on the stunning DELUXE FIRST EDITION- featuring sixteen beautiful original full-colour illustrations by artist Joe Requeza and silver-gilded edges. Once supplies have run out, a standard edition with black-and-white artwork will be available under a different ISBN.

-The Empyrean series is best read in order:Fourth WingIron FlameOnyx StormThough Threshing Day can be enjoyed as an introduction to the series, due to contained spoilers, it is best read after Onyx Storm.