The Green Hills of Earth is a collection of short stories from one of the masters of science fiction who has held readers spellbound for over 30 years. This collection includes "Delilah and the Space-Rigger," "Space-Jockey," "The Long Watch," "Gentlemen Be Seated," "The Black Pits of Luna," "It's Great to Be Back," "' - We Also Walk Dogs,'" "Ordeal in Space," "The Green Hills of Earth," and "Logic of Empire."