Product Details Intervention : A Novel by  Terri Blackstock see larger image Retail: $14.99 Our Price: $11.99 (20% Off) Binding: Trade Paper Publisher: Zondervan (October 2009) Category #1: Fiction Category #2: Fiction-Suspense Category #3: Fiction-Contemporary Item #: 9780310250654   Barbara Covington has one more chance to save her daughter from a devastating addiction: staging an intervention. But when eighteen-year-old Emily disappears on the way to drug treatment-and her interventionist is found dead at the airport where she was last seen-Barbara enters her darkest nightmare of all.