Shepherd's Call

Charlie Wolfe vanishes from Tony Shepherd's high school graduation, leaving only a cryptic message asking for help.
On his own, Tony must summon all the skills he's learned over the years to find his friend. He'll leave the safety of home and family to face off against old foes and uncover the truth of Charlie's disappearance.
But things are more complicated and dangerous than he realizes, and he'll have to choose just how far he's willing to go to save his friend.