About the book: 2021 / Twenty-two years ago, Sam and Dean Winchester lost their mother, who was killed by a mysterious evil force. As they grew up, their father told them about demons that lurk in the darkness and roam the country roads of America. And he also told them how to fight them... The dangerous adventures of the Winchester brothers continue. In Dragon's Heart, they investigate a series of tragic deaths in San Francisco's Chinatown. In the next book, A Bad Thing, Sam and Dean travel to Georgia to catch a cold-blooded killer under the influence of a powerful spell. "War of the Sons" tells how the brothers go on the hunt for Lucifer himself..