In 1874, Moses Harvey--eccentric Newfoundland reverend and amateur naturalist--was the first person to photograph the near-mythic giant squid, draping it over his shower curtain rod to display its magnitude. In Preparing the Ghost, what begins as Harvey's story becomes spectacularly "slippery and many-armed" (NewYorker.com) as Matthew Gavin Frank winds his narrative tentacles around history, creative nonfiction, science, memoir, and meditations about...