Imagine a malign force dismantling your mind by insidious degrees, stripping away a lifetime of knowledge, cherished memories, and human connections. Now imagine being intimately aware of the process, but helpless to arrest it. Would you be afraid? For retired physician Ben Hunter, that malign force is Alzheimer's disease--and he is terrified. Now a resident in a major geriatric center, Ben straddles an ever-widening gulf between a...