This paper presents summaries of four articles relevant to school crisis response. The first article, "Peritraumatic Dissociation Predicts Posttraumatic Stress in Youth Following Accidents" summarized by Jim Matthews, suggests that peritraumatic dissociation is a powerful predictor of PTSD symptoms among youth who have been in a car accident. The second article, "Safe Schools Demonstration Project: Expert Review of Key Findings on Children Exposed to Violence" summarized by Cathy Paine, is of an expert review of a series of articles addressing the Safe Schools Demonstration Project. The third summary provides a concise review of the psychobiology of PTSD. The last entry is a summary of an article describing the effects on families of a tsunami in 2004.