Sixty years after the publication of his great modernist masterpiece, Call It Sleep, Henry Roth, a retired waterfowl farmer already in his late eighties, shocked the literary world with the announcement that he had written a second novel. It was called, he reported, Mercy of a Rude Stream, the title inspired by Shakespeare, and it followed the travails of one Ira Stigman, whose family had just moved to New York's Jewish Harlem in that "ominous summer...