Book excerpt: This authoritative volume describes the state of the science of early intervention for trauma and traumatic loss across the lifespan and in a variety of contexts. While few would dispute the importance of helping people cope with severe life stressors, important questions remain about how to identify those at risk for chronic problems and which interventions actually facilitate recovery over time. Following a review of current knowledge on the predictors and course of acute stress disorder, PTSD, and traumatic grief, the volume presents a range of early intervention models designed for very young children, older children, and adults. Authors examine the empirical literature and recommend evidence-based clinical strategies whenever possible, while delineating an extensive agenda for future research. Also covered are the lessons learned from early intervention with specific populations: 9/11 survivors, combat veterans, emergency services personnel, survivors of sexual violence, and others.