Just when the blood brothers' adventures begin to simmer down, a new sinister menace surfaces... The newly reunited brothers, Grey Cloak and Dyphestive, deserve a break. After all, they spend their days and nights battling enemies who want to destroy them. It's exhausting and overwhelming for two youths who just crave some down time. But when their fiercest enemy launches a surprise attack, it puts all Sky Riders' lives in peril. Now,...