Relates how one boy--who had friends, enjoyed reading, playing in the band, and had never been in trouble before--became capable of entering his high school firing on his classmates, as told from the viewpoints of several victims., Relates how one boy--who had friends, enjoyed reading, playing saxophone in the band, and had never been in trouble before--became a monster capable of entering his high school with a loaded gun and firing on his classmates, as told from the viewpoints of several victims. Each perspective is written by a different writer of young adult fiction.