The blessing - Jude Deveraux

When wealthy, hard-driving corporate genius Jason Wilding reluctantly takes a break from his business and his husband-hunting girlfriends for a Christmas visit to his hometown, he has no idea what his physician brother has in store for him. It seems that Amy Thompkins, a whimsical young widow, has captured David's heart, but courting with a demanding baby in tow has been difficult. In order to pursue her, he persuades Jason to move into her home and take care of her spoiled but adorable son Max for a week.
For a fiercely efficient CEO, it's an impossible scene: a falling-down old house and a widow living on next to nothing, with no marketable skills. But Amy's joy for life, her love for her son and her sparkling humour are irresistible - and tiny Max adores Jason beyond reason. Soon, Jason sees Amy and her future as a prime target for his strategic planning. The mutual attraction is glowing bright. But what to do about David?