Fear the Flames by Olivia Rose Darling — book slip

Elowen Atarah, once torn from her dragons and imprisoned by her father, King Garrick of Imirath, is now a woman on a mission. Determined to free her dragons and seek vengeance, she has established a secret kingdom called Aestilian.

To achieve her goals, she must align with Cayden Veles, the feared Commander of Vareveth. Despite their differing motives, an undeniable attraction simmers between them as they plot to infiltrate the impenetrable castle of Imirath.

As they work together, the threat of war looms, making their heist to free her dragons their most dangerous adventure yet. But Elowen's promise of vengeance is unwavering, and she will stop at nothing to see it through.

For fans of Six of Crows and The Priory of the Orange Tree.