This is the perfect recounting to go alongside Sue Klebolds book. I highly recommend reading them in that order as well. A Mother's Reckoning first and Cullens work second.

It provides a very clear picture, addresses myths and embellishments by the mass media that have become common knowledge (unfortunatly) from Michael Moores publicity stunt and the mistakes in Bowling for Columbine. Through the mistaken Martydrom, into the missed signs and failures of the justice system in separating the boys and keeping them under a sharp eye, which might have prevented the tragedy.