Traveller Starter Set - Rules of Play says:
Traveller is a science fiction roleplaying game of bold explorers and brave adventurers. The Traveller Core Rulebook contains everything you need to create one of these adventurers and begin exploring the galaxy. Spaceports, ancient civilisations, air/rafts, cold steel blades, laser carbines, far distant worlds, and exotic alien beasts – this is the futuristic universe of Traveller, the original and classic science fiction roleplaying game.
This set contains everything you need to start exploring Traveller, including the full core rules set and a complete campaign to set you off in a universe of adventure!