A PSYCHOLOGICAL THRILLER SERIES BY HART RIVERS set in Vietnam. John L. Hart, Ph.D. and Olivia Rupprecht write psychological mystery thrillers set in the Vietnam War of the late 60s in a time of epic social cultural change. These are not your usual war novel of grunts and guns and blood. These are deep mind games of cat and mouse woven between romantic liaisons between secret agents, beautiful women, psychopathic murderers, and stone cold killers in beautiful exotic settings. These books are page