He was Sam Clemens, steamboat pilot, before he was Mark Twain, famous author. His better-known name originated with the lingo of navigation, and much of his writing was informed by his shipboard adventures on one of the world's great rivers. In this book, Twain offered recollections ranging from his salad days as a novice pilot to views from the passenger decks in the twilight of the river culture's heyday. Under the tutelage of the most celebrated...

When young Edward VI of England and a poor boy who resembles him exchange places, each learns something about the other's very different station in life.