White Heat by Jill Shalvis

A new series of romantic adventures about the brave men who battle fires-and the passion they ignite.

Bush pilot Lyndie Anderson lives only for her plane and the open sky. But when she's hired to fly a brooding-but-gorgeous fireman to a forest fire, suddenly she's struggling to douse a burning desire. And although it doesn't show, Griffin Moore starts having feelings for her, too. But he's suffered too much lately to open his heart. So when the two set off sparks, he wonders if Lyndie could be worth the risk...