Heaven's Child (Heartsong Presents)

is book #262 of the Heartsong Presents line.
==Book Description==
Between work and single parenthood, Randi Thomas just doesn't have time for a romantic relationship. But when she accidentally falls into the arms of a handsome green-eyed stranger, her orderly little world start to rock on its axis. — From the moment Paul O'Bryan lays eyes on the dark-eyes beauty, he sets out to win Randi. Only one small obstacle stands in his way -- her fierce over protection of her six-year-old, mentally challenged son, Colby.
Will Paul ever find a way to penetrate and share the part of Randi's heart that belongs only to her son? Will Randi ever be able to look past Colby's limitations and see him as a beautiful gift of God's creation?
(Description from fictiondb.com)