Bestselling author Terri Blackstock presents another stand-alone novel, Predator. The murder of Krista Carmichael's fourteen-year-old sister by an online predator has shaken her faith and made her question God's justice and protection. Desperate to find the killer, she creates an online persona to bait the predator. But when the stalker turns his sights on her, will Krista be able to control the outcome? Ryan Adkins started the social network GrapeVyne...