The final invasion is coming. . . .The aliens have massed on the northeast edge of Russia, waiting to attack as soon as the turbulent waters of the Bering Strait turn to ice. Recon Team Angel must act now. It's up to them to shepherd a task force upriver and infiltrate the aliens' stronghold. They must cripple their enemies quickly and quietly. Luckily, Recon Team Angel was made for such missions. The six teens have been modified to look like aliens. They have spent years mastering alien culture so that they can talk, act—even think—like their enemies. But with their target in sight and time running out . . . can they save humanity and themselves?Brian Falkner, author of The Assault, The Project, Brain Jack, and The Tomorrow Code, delivers the second book in his page-turning military thriller series full of heart-pounding action and unique sci-fi twists.