Katsushika Hokusai’s wood block print of a gigantic wave frothing before Mount Fuji, which he made in his seventies, is so beloved and influential that the scholar Christine Guth has devoted a whole book to it. Less attention has been paid to the beguiling illustrations he crafted, also while in his seventies, for the series Hyaku Monogatari [One Hundred Ghost Stories] (ca. 1830). We aren’t sure w