Her Guardian Rancher (Martin's Crossing)

A Soldier's Promise 

Three years ago Daron McKay made a vow to his dying army buddy: watch over his wife, protect his child. But he never imagined he'd fall in love with mom and baby. Now as Emma Shaw barely hangs on to her ranch and her daughter faces lifesaving surgery, the cowboy bodyguard is determined to see his promise through. But Emma doesn't want a hero. Especially one riddled with guilt. She'll make it on her own, just like she always has. With Emma, Daron faces his most difficult assignment: showing the battle-scarred widow that letting go makes you stronger—and that loving is worth the risk…