Contemptuous now of possible guards, the armored pair strode toward the power plant - the very heart of the immense fortress of space.

The Slum King survives the wave and returns to his immense fortress where he tells his men that no one can dare oppose him and be permitted to live.

This immense fortress of yours---" "I beg your pardon.

There, squatting like an immense fortress, is the town's once splendid hotel, the Crescent, known locally as the Castle in the Air High Atop the Ozarks.

In the lake was an island on which stood an immense old fortress.

This immense 14th-century fortress is now just an empty shell - like a set for a film about the French Foreign Legion.

And finally even the gigantic accumulators of the immense fortresses were drained.

The immense fortress was framed in blackness, for it sat within the curtain of the dreaded region of Eternal Night.

No activity immediately apparent in the vicinity of the immense green crystalline fortress that sur- mounted the hill on the other side.

Higher rocks and cliffs lay ahead, and seeming to grow out of them was an immense fortress of a house.