A magisterial work of narrative history, hailed in Britain as “the best one-volume account of the British Empire” and “an outstanding book” (The Times Literary Supplement).After the American Revolution, the British Empire appeared to be doomed. But over the next 150 years it grew to become the greatest and most diverse empire the world has ever seen—ranging from Canada to Australia to China, India, and Egypt—seven times larger than the Roman Empire at its apogee. Britannia ruled the waves and a quarter of the earth.Yet it was also a fundamentally weak empire, as Piers Brendon shows in this vivid and sweeping chronicle. Run from a tiny island base, the British Empire operated on a shoestring with the help of local elites.