In this issue of Child and Adolescent Psychiatric Clinics, guest editors Drs. Joyce Harrison and Tessa Chesher bring their considerable expertise to the topic of Infant and Preschool Mental Health: Assessment and Treatment. Birth to five is a critical period for building the foundation for good mental health and optimal developmental trajectories, yet very few child psychiatry training programs offer training in infant and preschool mental health. In this issue, top experts bring you up to date with recent advances in this important area. Contains 16 relevant, practice-oriented topics including the tenets of diversity, equity, and inclusion in infant mental health; building better brains: progress in developmental neuroscience and the brain architecture game; evidence-based therapies for children and families experiencing trauma; evidence-based therapies for young children with ADHD/disruptive disorder; assessments and interventions for infants and young children with eating disorders; and more Provides in-depth clinical reviews on infant and preschool mental health, offering actionable insights for clinical practice Presents the latest information on this timely, focused topic under the leadership of experienced editors in the field. Authors synthesize and distill the latest research and practice guidelines to create clinically significant, topic-based reviews