This book is a collection of case-based questions, directed towards and meticulously selected to cover the most common and important aspects of pediatric autoimmune disorders. Autoimmune disorders of infancy and childhood, rheumatological disorders, dermatologic autoimmune disorders, autoinflammatory disorders, and clinical immunology in solid organ and hematopoietic stem cell transplantation are among the topics covered.  Each chapter starts with a case description followed by a series of 5-6 multiple choice questions (MCQ), presenting the flow from diagnosis to treatment in a step-wise, logical manner. The text guides the reader through the stream of real clinical practice from initial presentation, differential diagnosis, next best step, lab data, and definitive diagnosis to management and adverse effects of therapy. This MCQ format along with precise, yet detailed answer ensure a quick, reality learning to the reader.  The book provides a quick guide and hands-on learning experience for pediatricians, hematologists, immunologists, transplant specialists, pulmonologists, as well as PhD and post-graduate researchers around the world.