The Hob - The Gray Court, #4

Robin Goodfellow has met his match. The Gray Court Book 4When the Black Queen kidnaps one of the White Queen's nephews, Robin Goodfellow is sent to ensure that the young prince safely returns to the bosom of his family. True to his role as Oberon's Hobgoblin, he is ready for anything.except meeting his truebond, the very delicious, very human Michaela Exton. Michaela has dreamed about a flame-haired rogue named Robin Goodfellow since she was a little girl, but everyone knows Puck doesn't really exist.
In real life, it's a dark-eyed man named Ringo who makes her heart beat faster. She is closer to her dream man than she thinks, and nobody knows it better than Robin, wearing the guise of Ringo. But there's competition for her love in Lord Raven, who holds a secret that will rock the foundation of Robin's world. A Black Court delegate does the unthinkable, leaving an enraged, grief-stricken Robin hanging onto his humanity by a thread.
Only Michaela has the power to bring him back from the killing edge-if she survives.