A deadly venom. A looming rebellion. A vicious siege. And the clock is ticking. For sorcerer Nate Garrett, the stakes have risen. If Asgard falls, he may lose much more than his home--he may lose the thing dearest to him. To stand a fighting chance against Avalon, he must be ready to go to war. But when his best friend and father are poisoned, Nate must race against the clock in a desperate quest to find a cure. Layla Cassidy...