Shifter Planet Series by D.B. Reynolds

Specialist Amanda Sumner is one of the first to make contact on the Earth-like planet Harp and discovers she's the only Earthling who can hear the trees sing in the strange forest. Determined to remain and learn more of the planet’s secrets, Amanda sets out to become part of the elite Guild there...But there is a secret involving some Guild members–one that could get her killed... moreSpecialist Amanda Sumner is one of the first to make contact on the Earth-like planet Harp and discovers she's the only Earthling who can hear the trees sing in the strange forest. Determined to remain and learn more of the planet’s secrets, Amanda sets out to become part of the elite Guild there...But there is a secret involving some Guild members–one that could get her killed.Shifter Rhodry de Mendoza wants the Earthlings off his planet before they destroy it—even if that means denying what he feels for the fierce and lovely Amanda. The pair is thrown together in what becomes a fight for their lives. And they might just lose everything–including each other–in their battle for the right to live in peace. less

Rachel Fortier is a much sought-after expert when it comes to exotic planets—especially the deadly kind. So when she’s hired by Earth Fleet’s most respected scientist to join a mission to the tightly closed planet Harp, it’s a dream come true. Until she discovers their mission is to capture shifters and sell them to the Military.Shifter Aidan Devlin is on patrol far from his clan when he sees a shuttlecraft landing where it definitely shouldn’t be... moreRachel Fortier is a much sought-after expert when it comes to exotic planets—especially the deadly kind. So when she’s hired by Earth Fleet’s most respected scientist to join a mission to the tightly closed planet Harp, it’s a dream come true. Until she discovers their mission is to capture shifters and sell them to the Military.Shifter Aidan Devlin is on patrol far from his clan when he sees a shuttlecraft landing where it definitely shouldn’t be. As the invaders emerge, he’s surprised to see a lone lovely woman, who doesn’t seem to belong. But when he’s captured and put in a cage, he has no one but her to help him escape.Drawn together by a hunger they can’t resist, and desperate to discover who betrayed Harp, Aidan and Rachel first have to survive a deadly journey to the city. But once there, they find themselves confronted by a conspiracy that goes even deeper. Because Harp is harboring a traitor. And he’s willing to destroy their world—and everything in it—to get what he wants. less