The document discusses developmental problems in pre-school and school-aged children. It covers typical developmental milestones from infancy through adolescence. Common issues discussed include head banging, thumb sucking, temper tantrums, stuttering, pica, poor school achievement, learning disabilities like dyslexia, and attention deficit hyperactivity disorder. The causes, signs, symptoms and management of these problems are described. Overall, the document provides an overview of normal child development and some frequent developmental issues encountered in early childhood.