A mid-30s woman, childless, told repeatedly what a “terrific mother” she would be but beginning to doubt it and even growing awkward and unsure around babies, has one thrust into her hands at a backyard Labor Day party by a solicitous mother. Whereupon the picnic bench she is sitting down to with the infant cracks and the baby flies out of her arms and smashes its head on the cement, dying a short while later. Our protagonist, Adrienne, then retreats to hole up in her attic apartment for seven months, too dark and deranged to even feign an interest in…