Book excerpt: Innovations in Psychosocial Interventions and Their Delivery provides an integrated and detailed overview of advances, challenges, and necessary new directions with regard to evidence-based psychological interventions. Drawing on diverse fields such as public health, business, entertainment, social policy and law, and other domains that may inform efforts to deliver interventions more effectively, Alan Kazdin explores an assortment of novel and inventive ways to address the world's mental health crisis.