Black Abyss

With the discovery of the hyperdrive, mankind at last possessed the means of going out to the stars. Four expeditions had already gone by the fine the fifth starship left Pluto for Vega. Carrying its complement of scientists and military personnel, they arrived at the solar system of Vega to find one planet sufficiently like Earth to allow them to land.

Here, they discovered mystery. The ruins of great cities built on the shattered remains of still earlier fortresses, showing that some grea...