National Book Award winner Jude Watson joins the race for survival!
The harrowing tale of survival and suspicion takes its most dramatic turn yet when Molly, Yoshi, and the rest discover that there are more than just monsters in the rift.
There are other kids, too...
The seven-book mega-series begun by Scott Westerfeld (Uglies) reaches a pivotal turning point as only New York Times bestseller and National Book Award winner Jude Watson could deliver!
Bonus: Play the action-packed HORIZON game for free on your browser, tablet, or phone. Each book in the series unlocks exclusive rewards. Do you have what it takes to survive?