Estar Books: 532 books

Despite the fact that for centuries the Secret of Life had been the possession of children of men, the Earth was dying.

An early 20th century mystery! Detective Rollins is a hard hitting detective in this action mystery!

What is the mystery centered in Jupiter's famous "Red Spot"? Two fighting Earthmen, caught by the "Pipe-men" like their vanished comrades, soon find out.

Armed with splinters of steel, two ant-sized men dare the formidable mysteries of a termitary.

The little man stood in front of the monstrous machine as the synaptic drone heightened to a scream. No ... no he whispered. Don't you understand....

High in jungle treetops swings young Bentleyhis human brain imprisoned in a mighty ape.

Manape the Mighty and The Mind Master in one volume High in jungle treetops swings young Bentleyhis human brain imprisoned in a mighty ape.

Who is that man?" asked a young lady passenger of the steward with the imperious inflection which tells of riches able to force obedience from menials who labor for hire. She pointed a bejeweled finger at the slender soldierly figure which stood in the prow of the liner like a figurehead peering into the storm under the vessel's forefoot.

Gigantic Beasts of Death and Destruction Stalk a Mysterious Island in this Tense Fantastic Story of Santo Domingo

The first living creature in space was a dog who knew the vast repercussions of that act.

When the pretty astrologer named Abigail came along waving her horoscopes, what happened to Howitzer Hogan was unpredictable!

The outcasts; the hunted of all the brighter worlds, crowded onto Yaroto. But even here was there salvation for Ransome, the jinx-scarred acolyte, when tonight was the night of Bani-tai ... the night of expiation by the photo-memoried priests of dark Darion?

At first in the weak light he thought he saw the body. But the drawer was empty!

Maimed and captive in the depths of an interplanetary meteor-craft lay the only possible savior of plague-ridden Earth.