From the back cover:
Riches, danger, and mystery lie within the arid wastes of Tashrakaar, a desert world peopled by the savage and enigmatic Duneraiders. The players soon learn that desert nomads and desert heat aren't the only enemies they face when they find themselves trapped in the midst of vicious inter-corporate war!
Duneraiders is a complete adventure for Traveller. This scenario makes use of rules and information presented in The Desert Environment, a Traveller supplement from Gamelords, Ltd. The Desert Environment is recommended for playing Duneraiders, but not required.