A Review of ‘World-Class Manufacturing’ Whether a piece of content is fiction or nonfiction, it’s still easy for it to be relevant to the general populace. Commentary on true current events, for example, makes for good reading while the news is fresh. But such work has an expiration, a point at which it is no longer meaningful. However, when a piece of content—say, a movie or a novel—continues to be relevant well past its creation, it’s almost always because the themes explored in that artwork are timeless and true. It is that moment when that content bridges the gap and becomes art. What do we call, then, a piece of insightful nonfiction that bridges that gap, maintaining its relevance for more than 35 years? Well, the pragmatist may simply deign to call that content “useful.”