Post-divorce dating is one more cause for celebration (or a quick call in to the police) in Beth Bosworth's revelatory new book, The Source of Life and Other Stories. The spine of this collection is a series of linked stories about Ruth Stein, a Brooklyn author whose first book has exposed her father's abuses; while the voice here, speaking across a lifetime, ranges from bittersweet to humorous to lethal. In other stories Bosworth's narrators--a...