Popular science,social science,metaphor and deception

He written widely on a variety of topics and is author or co-author of many books and articles. Among his books are Address Unknown: Homelessness in America; Homelessness and Health; After the Clean-Up: Long Range Effects of Natural Disasters; Armed and Considered Dangerous: A Survey of Felons and Firearms; Under the Gun: Weapons Crime and Violence in America;and The State of the Masses.His current research focusses on adolescent violence and on treament programs for homeless alcohol and drug abusers.