A Cry in the Night (High Country Heroes #3)
Linda Castillo

Search-and-rescue leader Buzz Malone thought losing the only woman he'd ever loved was the worst blow life could deal. He was wrong. Finding out that he had a sona son his ex-wife, Kelly, had kept secretwas worse. Especially when that child was lost in the Rocky Mountains, pitted against a raging forest fire.
Tirelessly trekking through the mountains with Buzz by her side, Kelly soon realized that the wilderness wasn't the only thing on fire. For the passion that had always flared between them now burned hotter than ever. If they ever made it through this ordeal alive, Kelly vowed to face an even greater challengeconvincing Buzz to give their love another try!