Killer Angel by William Frost. Killer Angel is a novel by American author William Frost, first published in 2010. Four Beverly Hills High School students, Frank, Angela, Daryl and Paul have started a rock band. They dream of making it Big An angel, Levi, is going to help their dream come true... or is he? Read the LitPic book review: http: //flamingnet.blogspot.com/2011/01/killer-angel-by-william-frost.html See the video trailer: http: //www.dailymotion.com/ranger17