White Heat — Jill Shalvis

Bush pilot Lyndie Anderson has gotten by on her own, and she'd like to keep it that way. She lives only for her plane and the open sky. Then she's hired to fly a drop-dead-gorgeous fireman to a blaze in Copper Canyon, and suddenly she's struggling to douse a burning desire inside.

Griffin Moore hasn't been the same since an Idaho wildfire claimed his crew. And when he heads for another fire, he's prepared to endanger his life again. But when Lyndie and he set off sparks, he finds that his heart may be at risk as well.

Now, as they fly toward the raging inferno, what was supposed to be strictly business becomes purely passionate....