Baby on the Doorstep (Babies of Cactus Gulch #1)
Nan O'Berry

Halley Thorpe works at the big house on the Diamond D ranch. She's content to let work help her forget a disastrous marriage. When Avery Johnson shows up with a babe in arms, she wants to stay away. Yet one bat of the baby’s long dark lashes and the tight grasp of five tiny fingers and she finds herself hooked.
Will helping Avery fulfill the ache in her heart or is she setting herself up for a disastrous fall when she realizes she's in love with the cowboy who has a baby on the doorstep.