U.S. businesses lose $200 million in productivity each football season because employees are managing their fantasy squads instead of working.

In Why Fantasy Football Matters (And Our Lives Do Not), two grizzled veterans revel in the addiction that is fantasy football. From pre-draft hijinx to post-draft trash talk, from tumultuous trades to the perils of free agency, it celebrates the eccentric personalities, absurd rituals, and hilarious superstitions of one of...