We Are All Completely Beside Ourselves

Meet the Cooke family: Mother and Dad, brother Lowell, sister Fern, and Rosemary, who begins her story in the middle. She has her reasons. "I was raised with a chimpanzee," she explains. "I tell you Fern is a chimp and, already, you aren't thinking of her as my sister. . . . Until Fern's expulsion . . . she was my twin, my fun-house mirror, my whirlwind other half. . . .