Secret. The Naravan Chronicles, #3

When paleontologist Dr. Ti'ann Jones uncovers a mystery that could alter the course of her planet's future, it puts her and her people in grave danger. She's forced to call in security to protect her dig site. But the man who shows up threatens Ti'ann on a much more personal level. She's spent the last three years unsuccessfully trying to forget Nathan Longfeather, but it's apparent he's already forgotten her.
Nathan thought guarding an archaeological dig site would be an easy and welcome break from his normal high-tension contracts. But when he comes face-to-face with a woman he hasn't been able to forget for the last three years, he finds himself torn between the job and dragging Ti'ann back to his ship to remind her of those heady nights they spent together. Nights she seems to have forgotten. As the truth of Ti'ann's discovery is revealed, Nathan's job gets a lot more deadly, and keeping Ti'ann and her team alive becomes his top priority.
In a time when anything to do with Narava's native species, the Shifters, leads to violence, Ti'ann and Nathan face enemies from both sides of the conflict and will have to find a way to prevent a planet-wide war. If they can survive, they might just have a future.together.