From Alix E. Harrow, the New York Times bestselling author of Starling House, comes a moving and genre-defying quest about the lady-knight whose legend built a nation, and the cowardly historian sent back through time to make sure she plays her part—even if it breaks his heart.

Sir Una Everlasting was Dominion’s greatest hero: the orphaned girl who became a knight, who died for queen and country. Her legend lives on in songs and stories, in children’s books and recruiting posters—but her life as it truly happened has been forgotten.

Centuries later, Owen Mallory—failed soldier, struggling scholar—falls in love with the tale of Una Everlasting. Her story takes him to war, to the archives—and then into the past itself. Una and Owen are tangled together in time, bound to retell the same story over and over again, no matter what it costs.

But that story always ends the same way. If they want to rewrite Una’s legend—if they want to tell a different story—they’ll have to rewrite history itself.

“Alix E. Harrow is an exceptional, undeniable talent.” —Olivie Blake, New York Times bestselling author of The Atlas Six

“An utter masterpiece… I loved every single page.” —Rachel Gillig, New York Times and USA Today bestselling author of One Dark Window

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