The only reference of its kind in the field ! The new edition of this definitive resource examines the full spectrum of rheumatologic diseases and non-rheumatologic musculoskeletal disorders in children and adolescents. It describes the presentation, differential diagnosis, course, management, and prognosis of every major condition. Drs. Cassidy and Petty have meticulously revised their masterwork to integrate important new scientific advances and clinical developments.