The future is uncertain. The battle to control the past has begun. The final book in the riveting Hourglass Door trilogy begins when Abby steps through the black door, and she doesn't dare look back. Though it means leaving Dante—wounded, bleeding, and possibly blind—she knows it is the only way to save her family and stop Zo from manipulating the river of time and throwing the future into chaos. In the end, Abby must face a final confrontation that will take her to the very origins of the hourglass door. Praise for The Hourglass Door • 2009 Book of the Year Award, Young Adult Fiction—Foreword Magazine • "I never imagined the adventure I'd find when I opened The Hourglass Door. Abby and Dante's world is intoxicating and I didn't want to leave. . . . Mangum's book flowed smoothly and effortlessly and led me through a tale I'll not soon forget." —www.teensreadtoo.com, 5-star rating, Gold Star Award • "In a time when copycats abound, Mangum has created a unique story with interesting characters and an intriguing plot."—Deseret News