The book sets out to present the facts and contradictions of neuroblastoma. Tumors of neuroblastoma group are heterogeneous and their genomic/molecular properties are intimately associated with the prognosis of patients; certain children enjoy a distinguished clinical course post the surgery/biopsy alone, and others face a catastrophic result even after a thorough treatment. Latest advancement has also began unveiling crucial importance of cross-talking between neuroblastoma cells and their microenvironment in predicting clinical behaviors of individual cases. The biological and clinical characteristics of this disease are presented in this book by renowned investigators.