Exhibit

Margaret is unlike other women: her hands bark, she speaks Hawaiian Punch, and she can often be seen prodding at stars with sticks. And sometimes she is the happiest woman in the world: a pillow with a pillowcase. Her brother, Alex, feels pleasant enough, except that his parts are made of wood, and that a bunch of his hair is electrified. And then there are the gun-shot wounds to his head and chest. On this final ailment, Margaret may have had a hand.

In the winter of 1926, Margaret McPha...