In 'His Brother's Keeper,' Jonathan Weiner, a Pulitzer Prize-winning author, embarks on a poignant narrative journey into the depths of familial love and the frontiers of modern medicine. The story unfolds as Jamie Heywood learns of his brother Stephen's diagnosis with ALS, prompting a passionate and driven pursuit to find a cure. With the weight of a life hanging in balance, Jamie delves into the complex world of gene therapy, where science teeters on the brink of monumental breakthroughs for nerve-death diseases like ALS, Alzheimer's, and Parkinson's. This gripping tale is not just about the strides in biotechnology, but also about the unchanging nature of human compassion and the profound bonds that define us. 'His Brother's Keeper' is a testament to the ever-living wound of love—a powerful account of hope, determination, and the ethical quandaries posed by the dawning era of gene manipulation.