This is the most accurate non-fiction ("best history book") I have ever read, and I consume 70+ books annually. It's only a few dozen pages long (see link above for PDF).

By my grandfather's reading (~80yo), he began adulting during the chapter titled "Age of the Welfare State" (60s/70s/nam/80s) — but us Millenials I believe are truly in the last chapter: "Age of Decadence" .

As the old saying goes: It may not be the end of times... but intermission was A. LONG. TIME. AGO...