Cold case at Carlton's Canyon

the long version

"Sergeant Justin Thorpe has dedicated his life to justice and won't stop until he finds the vicious serial killer who has already claimed ten innocent lives. He works solo--until he joins forces with Sheriff Amanda Blair. The Texas Ranger can't let his desire for his coworker keep him from his mission, especially when Amanda's life is threatened. Ten girls have vanished--one for every year since Amanda graduated from Canyon High. And as she tries to fight her attraction to a man as independent as she is, a trap is being laid to make Amanda the final victim in a killer's terrifying endgame"--Publisher.