The Museum of Peculiar Arts holds many oddities--a mechanical heart, a diary bound in its owner's skin . . . and Penny, a child-size marionette who almost looks alive. Fog clouds Penny's memories from before the museum, but she catches glimpses here and there: a stage, deep red curtains, long-fingered hands gripping her strings. One day, a boy named Chance touches Penny's strings and hears her voice in his head. Penny can listen, and watch, and think?...