Then Heart of a Wolf: Just a few months after Sam leaves for Stanford, John and Dean find themselves hunting what they think is a werewolf. They’re completely unprepared when they find themselves facing not a werewolf, but a berserker : a man who has undergone an ancient ritual and invited an animal spirit into his body—in this case, a wolf. The berserker seriously injures Dean, and is stopped from killing him only when the wolf intervenes, jumping from its current host into Dean... read more
