What the Baby Knew — Ingrid Weaver

AND BABY MAKES...
Ex-navy SEAL Quinn Keelor had never been rattled by small things. After all, he'd been trained to carry out grand and highly dangerous missions. But a baby on his doorstep? Left in his protective care? This promised to become the most challenging assignment of Quinn's life ....

THREE?
Until a beautiful stranger came to Quinn's aid--and turned out to be no stranger at all. But this Rachel Healey had nothing in common with the shy, plain girl who'd had a teenage crush on Quinn. Except that she'd never lost her knack with children. Suddenly Quinn's challenges multiplied. Not only did he have to keep the baby safe; now he had to shore up the fortress he'd deliberately built around his heart.