Since the year after the Columbine tragedy, 2000, a total of 113 novels have been published in English about school shootings. The number of novels published on school shootings before Columbine? One.
Poetry has a history of violence. It was true a few hundred years ago, when bards wrote of knights and of great battles, and it is true today, when poets pick up their pens to write about the trauma of war, abuse, or repression. Whether they abhor it or