Unmapped by Anna Hackett

Former Navy SEAL and CIA agent Ronin Cooper is used to living his life in the darkness. A loner by nature, he enjoys his work at Treasure Hunter Security, stays busy on the road, and never lets anyone too close. That is until he notices a mystery redheaded woman spying on him and his colleagues. Then he finds himself sucked into a dangerous rescue mission to Antarctica with a fiery, outspoken woman who pushes every one of his buttons.

Peri Butler will do anything to save her sister. The experienced polar guide knows the deadly black-market antiquities ring, Silk Road, has her twin, but Peri isn’t sure who she can trust. She wants to believe Treasure Hunter Security can help, and soon finds herself facing off with the dark, intense, enigmatic Ronin.

As their mission takes them into the frigid ice and snow of Antarctica, Peri and Ronin’s intense attraction generates a lot of heat. Drawn irresistibly closer, they work to track down Silk Road and Peri’s sister, but what they find buried in the ice could threaten everything. Ronin will sacrifice it all to protect Peri, while she will take every risk, not only to save her sister, but to break through the protective shell around Ronin’s heart.