Defending the Undefendable is a book by Walter Block originally published in 1976. Marcus Epstein describes the book as defending "pimps, drug dealers, blackmailers, corrupt policemen, and loan sharks as 'economic heroes'." It has been translated into ten foreign languages.Cable news pundit John Stossel said of it, "Defending the Undefendable... opened my eyes to the beauties of libertarianism.