When her brother David finds a strange book, Kat Anderson is shocked to read its plan for her future as the last guardian against the evil Clan of Black Rings, with David her sworn enemy! Finally she understands why her grandfather insisted she take her martial-arts training so seriously. The years of training have made her a formidable foe, but she'll need the spirit of Toho, her Samurai warrior ancestor, to help. And what part will the mysterious newcomer who claims to be her father play? Rick Hoberg's vivid artwork and Gary Reed's compelling story make Spirit of the Samurai a white-knuckle ride.