Forgiven by the Hero by Tara Grace Ericson

They weren’t searching for love, but a snowstorm might help them find it.

Megan Warren is secretly Marcus Warner, best-selling author of adventure thrillers. Hiding away in a remote cabin near Freedom, Colorado is the perfect escape to meet the looming deadline from her publisher. Her peace and quiet keeps getting disrupted by the gruff Search and Rescue Officer using the mountain as training grounds, but she doesn’t mind the interruptions.
Derek Held trusts dogs more than people, and his life revolves around training the best Search and Rescue dogs in the country. When he meets a mysterious woman holed up on the mountain, the Christmas season in Freedom suddenly looks a lot cheerier, until her evasive answers send up red flags.
An unexpected snowstorm shuts down the mountain, Megan and Derek are stranded in her tiny cabin, with only her secrets and his suspicions to keep them company. Can he learn to trust and let her rescue his heart?