Edison's Conquest of Mars

Martian cylinders land in the English countryside and their tripods march on London. The original alien invasion novel, told by a man trying to get home.

H. G. Wells

The complete trilogy in one volume. A sabotaged expedition discovers a civilization inside the Moon, and its rulers go on to conquer and occupy the Earth for centuries.

Edgar Rice Burroughs

Invaders from Mercury land in Wyoming armed with a heat ray. A young reporter and a winged Mercutian girl carry the fight back to their planet.

Ray Cummings

Explorers in a hidden Himalayan valley find a living city made of thinking metal shapes. It is an alien intelligence that could replace humanity if it ever leaves.

A. Merritt