One hundred years ago, physicians marvelled at patients with bacterial infections who appeared to have been spontaneously cured of deadly tumours. What was a miraculous mystery then is now hard scientific fact- immunotherapy is the cutting edge of cancer treatment, and a crucial breakthrough in the race to find the ultimate cure.Journalist Charles Graeber expertly traces the fascinating history of immuno-oncology and guides readers through the revolutionary scientific research bringing cancer treatment into the 21st century. As advances in our understanding of cancer and the human immune system continue to fuel a therapeutic arms race among biotech and pharmaceutical companies around the world, the next step - harnessing the wealth of new information into modern and more effective patient therapies - is already well underway.The Breakthrough is the first book to address the groundbreaking science of cancer treatment through immunotherapy. It is the incredible true story of the race to find a cure, a dispatch from the life-changing world of oncological science, and a brave new chapter in our fight with cancer.