The Mating Challenge: Werewolves of Montana Book 5

Masquerading as her twin sister, Nia Blakemore knows she is the one Aiden wants in his bed. Nia has dreamed of the handsome cowboy sweeping her into his strong arms and consummating the passion consuming them both, even though he thinks she is Nikita, the true alpha female. Nia must try to keep Aiden from discovering the truth to protect her frailer, gentler twin. But Nia and the real Nikita hide a secret far more deadly than the charade they have pulled off for years, one that can kill Aiden and any healthy male who sets foot upon their land…