300 Arguments, a foray into the frontier of contemporary nonfiction writing, is at first glance a group of unrelated aphorisms. But, as in the work of David Markson, the pieces reveal themselves as a masterful arrangement that steadily gathers power. Mangusos arguments about desire, ambition, relationships, and failure are pithy, unsentimental, and defiant, and they add up to an unexpected and renegade wisdom literature.