The Wolf Prince (Harlequin Nocturne Series #157)

Willow was unlike any princess he'd ever met…

As heir to the throne, Ruben must choose an appropriate mate to preserve his royal bloodline—despite his fear that his true nature will destroy them both. Yet the female he craves above all others is a dangerous combination of fairy and shifter, a mesmerizing creature who inspires both passion and suspicion. Then violence strikes the castle, and the two are forced to track a killer into perilous magical territory. But with treachery everywhere, will Willow and Ruben's growing bond be enough to shift the fate of their two kingdoms?