"Joey Green has returned to Beaufort, South Carolina, with its palmettos and shrimp boats, to look after his ailing father, who is succumbing to dementia, while his overstressed mother takes a break. Marshall Green's short-term memory has all but evaporated, but, as if in compensation, his oldest memories are more vivid than ever. His mind keeps slipping backwards in time, retreating into long-ago yesterdays of growing up in Beaufort as a boy. At...