Last year I decided to fix our deck. It’s big, about 600 square feet, nine feet off the ground, and it was falling apart. Joists were rotting, and the whole thing was resting on one beam, when there should’ve been three. My foot went through the floor a couple of times.

Biographer Ron Chernow explains, “Mark Twain has long been venerated as an emblem of Americana.” In this fascinating biography, Chernow explains why. Though the book runs to 1200 pp, it never becomes tedious; on the contrary, it is an enthralling read.

Critics of the populism that put Donald Trump in the White House (again) often point to what they assume is a contradiction between the “average Joe” of populist imagination and the decidedly above-average wealth of the people’s chosen tribunes.