The Nanny's Homecoming (Rocky Mountain Heirs, Book 1‪)‬

After her fiancé calls off their wedding, Brooke Clayton has nowhere to go but home.
If she can survive in the tiny Colorado town for a year, she'll fulfill the odd terms of her estranged grandfather's will. Turns out the wealthy businessman next door, handsome single father Gabe Wesson, needs a nanny for his sweet toddler–and Brooke needs a job. But Gabe sees Brooke as a reminder of the young wife he lost. Given their pasts, do they dare hope to fit together as a family…forever?