I was drawn to this book because my grandfather had the disease that shatters its titular family: frontotemporal dementia, also known as FTD. This disorder is sneaky, and as is deftly explained in the text, has long been misunderstood and understudied. It is not a form of Alzheimer's—which has a much buzzier reputation in the neuroscience community—it's a form of dementia, the true umbrella term for these degenerative diseases. And unfortunately, not being Alzheimer's is more