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' Guardian

THIRTEEN 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.

This edition features fifteen beautiful original black-and-white illustrations by artist Joe Requeza. A deluxe hardback edition with coloured artwork and gilded edges is available.

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The Empyrean series is best read in order:
Fourth Wing
Iron Flame
Onyx Storm

Though Threshing Day can be enjoyed as an introduction to the series, due to contained spoilers, it is best read after Onyx Storm.