Threshing Day by Rebecca Yarros | Empyrean Wing and Claw Collection | Deluxe Hardcover

Return to the world of Fourth Wing with Threshing Day, the highly anticipated Empyrean collection from bestselling author Rebecca Yarros.

Every dragon rider remembers the day everything changed.

Threshing Day takes readers back to Basgiath through 13 unforgettable stories featuring favorite characters and their dragons—including Xaden Riorson and Sgaeyl, Brennan Sorrengail and Marbh, Sloane Mairi and Thoirt, and more. These stories revisit the legendary day riders face one terrifying challenge: bond a dragon...and survive. 

Perfect for fans of Fourth Wing, Iron Flame, and Onyx Storm, this companion collection is a must-have addition to any Empyrean bookshelf.

Deluxe First Edition Features:
• 13 stories set in the Empyrean world
• Favorite characters and their dragons
• 16 original full-color illustrations by artist Joe Requeza
• Collectible hardcover edition
• Part of the Empyrean / Wing and Claw Collection
• This is a companion collection and is NOT Empyrean Book 4
• Publication Date: September 29, 2026