Heat (Dark Kings‪)‬

Nikolai is a dragon shapeshifter who knows well the meaning of loss. Orphaned and raised to be a Dragon King, he never accepts defeat. Now, Nikolai prefers his solitude . . . until a beautiful, irresistible woman calls upon him for help—and Nikolai's whole world goes up in flames.

Ever since MI5 agent Esther woke to discover her mind taken over with magic, she feels like a stranger to herself. She looks to a notorious dragon, one who has the power to help her find her memory. But as she and Nikolai come closer to discovering what really happened to her, a dangerous passion ignites between them. Can this lone Dragon King help the woman he's grown to love to uncover the truth about her past—or will a deep and fiery danger tear them both apart?