pt. 1. Introduction -- pt. 2. Pathophysiology -- pt. 3. Assessment and diagnosis -- pt. 4. Migraine -- pt. 5. Cluster headache -- pt. 6. Tension-type headache -- pt. 7. Chronic daily headache -- pt. 8. 'Psychogenic' headache -- pt. 9. Non-medical treatment of childhood headache -- pt. 10. Symptomatic headaches -- pt. 11. Special issues -- pt. 12. Organization of services for children and adolescents with headache