Shattered Fossils

From the short story in which a character enters a "painted sidewalk," the collection moves into an exploration of the creation of memoir and memory. Some of the stories, but especially one about a 'bard,' set in Montreal, another set in Iceland and one set off the coast of England, contain ghosts. The last is told from a ghost's perspective. The protagonist's husband, a mathematician, has called her from the shadows. While she was alive, he insisted time was immutable. Now he is attempting to solve the equation that will bring her back.