Pizzo and Poplack’s Principles and Practice of Pediatric Oncology, 9th Edition remains the definitive, comprehensive reference in pediatric oncology. Under the expert editorial leadership of Drs. Susan M. Blaney, Peter C. Adamson, and Lee J. Helman, this edition builds on a legacy of excellence spanning decades. A world-renowned team of international, multidisciplinary experts delivers authoritative, up-to-date insights into the biology and genetics of childhood cancer, diagnostic techniques, and multimodal treatment approaches. The Ninth Edition integrates the latest research breakthroughs, including advances in targeted therapies, immunotherapies, and precision medicine. It also expands its in-depth coverage of supportive care, symptom management, survivorship, and the long-term effects of therapy. This award-winning text continues to be the essential guide for pediatric oncologists, hematologists, researchers, and trainees dedicated to improving outcomes for children with cancer.