This book covers all aspects of Wilms  tumor, the second most typical solid tumor in children. Its potential for complete cure underscores correct management of this tumor. To achieve this goal, the book aims to provide all necessary details for practicing Pediatric surgeons, Oncologists, Pediatricians, Urologists, and Medical students. Topics ranging from epidemiology, etiology, pathology, clinical features, diagnostic methods, surgery, chemotherapy, radiotherapy to cutting-edge inventions are described in great detail. Detailed descriptions of surgical techniques and their nuances will greatly benefit surgeons and surgical residents. Importantly, all the chapters are written by authors who have first-hand experience with clinical management. Thus the text ensures the practical application of theoretical details.