Presidential campaigns incite both hypochondria and euphoria, portraying the present as grimmer than it is and the future as grander than it can be. As an antidote to both, read a rarity, an academic's thick book (762 pages) widely recognized as relevant to America's current discontents.

Robert Gordon's "The Rise and Fall of American Growth" argues that an unprecedented and unrepeatable "special century" of life-changing inventions has produced unrealistic expectations, so the future will disappoint: "The economic revolution of 1870 to 1970 was unique. ... No other era in human history, either before or since, combined so many elements in which the standard of living increased as quickly and in which the human condition was transformed so completely."

In many ways, the world of 1870 was more medieval than modern. Three necessities — food, clothing, shelter — absorbed almost all consumer spending. No household was wired for electricity. Flickering light came from candles and whale oil, manufacturing power from steam engines, water wheels and horses. Urban horses, alive and dead, complicated urban sanitation. Window screens were rare, so insects commuted to and fro between animal and human waste outdoors and the dinner table. A typical North Carolina housewife in the 1880s carried water into her home eight to 10 times daily, walking 238 km a year to tote 36 tons of it. Few children were in school after age 12.