No Less Than a Lifetime — Christine Rimmer

FROM A MODEL EMPLOYEE...
For ten years Faith Jones had waited for Price Montgomery to see her as anything but the efficient employee she was. For ten years she'd kept not only his house, but his secrets--all the while hoping that one day he would see her as a woman, not a worker.

...TO A BRIDE IN TRAINING?
But time was up--and Faith was ready to call it quits. And suddenly Price was noticing that his prim and proper housekeeper had a softer side. One he'd like to get to know better--if only he could convince her to, stay. After all, good help is so hard to find....