History and definition of child maltreatment -- Theoretical overview of understanding child maltreatment -- Infancy and toddlerhood : child development and maltreatment -- Infancy and toddlerhood : ecological and developmental assessment of maltreatment and intervention -- Early childhood : child development and maltreatment -- Early childhood : ecological and developmental assessment of maltreatment and intervention -- Middle childhood : child development and maltreatment -- Middle childhood : ecological and developmental assessment of maltreatment and intervention -- Adolescence : child development and maltreatment -- Adolescence : ecological and developmental assessment of maltreatment and intervention.