Introduction: Mass murder and its classifications
Howard Unruh: America's first modern mass killer
Buildup to horror
The classic mass murderer
Mental illness and the compulsive killer
Deadly children
Family massacres
Going postal: the disgruntled employee
Visionary mass murder: religion and politics
Spreading the damage
Murder on the side
Stress, murder, madness, and risk assessment.
Inside the minds of mass murderers : why they kill by Katherine M. Ramsland. ISBN 0275984753. Published by Praeger in 2005. Publication and catalogue information, links to buy online and reader comments.