Out Behind the Barn by Chad Lutzke
$0.99 Amazon US
The boys crept to the window and watched as Miss Maggie carried the long bundle into the barn, the weight of it stooping her aging back. Rafter lights spilled from the barn doors, and Davey saw an arm fall from the canvas-wrapped parcel. He smiled.
"She got someone!"
Both children grinned and settled in their beds, eyes fixed to the ceiling.
This was family growth.