George Bush’s ‘War on Terror’ has inspired a forest of books about the new American Empire. But what about Britain’s role in the world? “A People’s History of the British Empire” challenges the claim that the British Empire was a kinder, gentler empire and suggests that the description of ‘Rogue State’ is more fitting. How many people today know about Britain’s deep involvement in the opium drug trade in China, or that Tony Blair’s hero Gladstone devoted his maiden parliamentary speech to defending his family’s slave plantation in Jamaica? John Newsinger has written a wonderful popular history of key episodes in British imperial history