A Shepherd's Song (Heartsong Presents)

is book #980 of the Heartsong Presents line.
==Book Description==
When fiery Renee Dover seeks adventure and searches for a gang of outlaws, she never expects she'll find them. Captured by the gang and certain her recklessness has gotten her brother killed, she escapes, right into the arms of Tyler Sperry, a quiet sheepherder with a mysterious past.
(Description from paperbackswap.com)