Britain, AD 38, Princess Cartimandua—Carti—of the Brigantes tribe faces an uncertain future when her father’s sudden death ignites turmoil. Suspicion falls on the Crow People of the Votadini tribe, straining the fragile peace between the factions. But they’re not the only ones bearing a grudge. A tangled web of political games soon unfolds. When enigmatic Prince Cormag of the Votadini shows the princess unwanted attention, the Brigantes’ alliance with the Carvetti is shaken. Cartimandua’s dream of marrying gallant Prince Venutiux of the Carvetti is put at risk. Soon, Carti finds herself at the center of a whirlwind of divided loyalties. Yet amidst the misty forests and the blackthorn trees, the Cailleach, the ancient dark goddess of the Brigantes people, whispers that all is not as it seems. With the fate of her tribe at stake, Carti must learn to navigate the treacherous waters of politics, duty, magic, and love. From New York Times bestselling author Melanie Karsak, The Blackthorn Queen transports readers to northern Celtic Britain on the precipice of the second Roman invasion, introducing us to Cartimandua, princess of the powerful Brigantes tribe.