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The Princess Knight

A Novel

By Cait Jacobs

AN INSTANT USA TODAY BESTSELLER!

“A swashbuckling adventure….An absolute delight!” Hannah Nicole Maehrer, bestselling author of Assistant to the Villain

A princess desperate to win back the prince who broke her heart follows him to his kingdom’s prestigious military academy—and in doing so, falls in love, saves the realm, and continues to look fabulous in this delightful debut fantasy.

Domhnall and Clía are an ideal match—or so everyone says. Heirs to neighboring kingdoms, they are an alliance the gods will smile on. Until Domhnall ruins everything by refusing to propose.

Determined to salvage the situation, Clía follows Domhnall to Caisleán Cósta, the prestigious military academy he’s attending. Sure, the castle has a brutal reputation. But how hard can dueling really be?

Warrior Ronan promised himself he’d never lose his focus. He fought and sacrificed for his place at Caisleán Cósta, and he has no time for blonde princesses who waltz into arenas like they’re attending a ball. Even if she and her otter-like pet are…well, cute.

He doesn’t want to be intrigued by Clía. But her hunger to prove herself is something he understands. He tells himself there’s no harm training her. Even if his heart does race around her. Even if Domhnall is his best friend.

But love is a battlefield—and unfortunately for them all, a very real war is looming on the horizon. One that will put their skills–and their hearts–to the ultimate test.

“Jacobs’s bejeweled debut will dazzle you.” Sydney J. Shields, bestselling author of The Honey Witch

The Princess Knight is a charmer.” Jodi Meadows, bestselling coauthor of My Lady Jane


ISBN: 9780063321151
Imprint: Harper Voyager
On Sale: Oct 14, 2025
List price: $24.99
No of pages: 512
Trim Size: 5.250 in (w) x 7.950 in (h) x 1.200 in (d)
BISAC 1: FICTION / Romance / Historical / Medieval
BISAC 2: FICTION / Fantasy / Epic
BISAC 3: FICTION / Romance / Romantic Comedy
BISAC 4:
BISAC 5:
BISAC 6:

Cait Jacobs

Biography

Cait Jacobs grew up somewhere between the many farms and beaches of the North Fork of Long Island, NY. There, they found escape through the fictional worlds of books. Their love of literature inspired them to found BookTok and The Bookington Book Club. When they aren’t writing or scrolling on social media, they spend their time obsessing over theater, Dungeons and Dragons, and caring for their many dogs and pet snake (known professionally as Jake from Snake Farm). The Princess Knight is their debut novel.

You can find Cait sword fighting in the woods, or on Instagram, TikTok, and all additional platforms at @caitsbooks.

Alana Kerr Collins

AN INSTANT USA TODAY BESTSELLER!

“A swashbuckling adventure….An absolute delight!” Hannah Nicole Maehrer, bestselling author of Assistant to the Villain

A princess desperate to win back the prince who broke her heart follows him to his kingdom’s prestigious military academy—and in doing so, falls in love, saves the realm, and continues to look fabulous in this delightful debut fantasy.

Domhnall and Clía are an ideal match—or so everyone says. Heirs to neighboring kingdoms, they are an alliance the gods will smile on. Until Domhnall ruins everything by refusing to propose.

Determined to salvage the situation, Clía follows Domhnall to Caisleán Cósta, the prestigious military academy he’s attending. Sure, the castle has a brutal reputation. But how hard can dueling really be?

Warrior Ronan promised himself he’d never lose his focus. He fought and sacrificed for his place at Caisleán Cósta, and he has no time for blonde princesses who waltz into arenas like they’re attending a ball. Even if she and her otter-like pet are…well, cute.

He doesn’t want to be intrigued by Clía. But her hunger to prove herself is something he understands. He tells himself there’s no harm training her. Even if his heart does race around her. Even if Domhnall is his best friend.

But love is a battlefield—and unfortunately for them all, a very real war is looming on the horizon. One that will put their skills–and their hearts–to the ultimate test.

“Jacobs’s bejeweled debut will dazzle you.” Sydney J. Shields, bestselling author of The Honey Witch

The Princess Knight is a charmer.” Jodi Meadows, bestselling coauthor of My Lady Jane


ISBN: 9780063321151
Imprint: Harper Voyager
On Sale: Oct 14, 2025
List price: $24.99
No of pages: 512
Trim Size: 5.250 in (w) x 7.950 in (h) x 1.200 in (d)
BISAC 1: FICTION / Romance / Historical / Medieval
BISAC 2: FICTION / Fantasy / Epic
BISAC 3: FICTION / Romance / Romantic Comedy
BISAC 4:
BISAC 5:
BISAC 6:

Cait Jacobs

Biography

Cait Jacobs grew up somewhere between the many farms and beaches of the North Fork of Long Island, NY. There, they found escape through the fictional worlds of books. Their love of literature inspired them to found BookTok and The Bookington Book Club. When they aren’t writing or scrolling on social media, they spend their time obsessing over theater, Dungeons and Dragons, and caring for their many dogs and pet snake (known professionally as Jake from Snake Farm). The Princess Knight is their debut novel.

You can find Cait sword fighting in the woods, or on Instagram, TikTok, and all additional platforms at @caitsbooks.

Alana Kerr Collins