Estar Books: 532 books

A vibrant drama which ranged clear from Saturn to Earth the core of which was the feud between Captain Carse and the power-lusting Eurasian scientist Dr. Ku Sui.

Action packed story about dueling military scientists in Britain and France are trying to figure out how to one up another in race to figure out how to improve their military might with submarines! 

Out of nowhere came these grim cold black-clad men to kidnap three Earth people and carry them to a weird and terrible world where a man could be a giant at will.

Men have fought and died for life and liberty since the beginning of time and they will continue the fight until time finally comes to an end. Here is a thoroughly readable story about just such a situation--a story which could well be a forecast of the chilling future of your children and ours.

Sequel to Manape the Mighty Once more Lee Bentley is caught up in the marvelous machinations of the mad genius Barter.

Bran Mak Morn is struggling, his people are demanding a king! He consults Gonar, and is able to summon Kull, great King of Valusia! Meanwhile the Romans are coming and intent on conquering.

Soloman Kane is back in Africa, N’longa has asked for his help and gave him a special staff for protection in his quest.

The archaeologist hero, Kenton, receives a mysterious ancient Babylonian artifact, which he discovers contains an incredibly detailed model of a ship. A dizzy spell casts Kenton onto the deck of the ship, which becomes a full-sized vessel sailing an eternal sea. The appearance of Kenton is unexpected for the inhabitants of the ship and amazing adventures ensue…

The Franciscan introduces his "automaton" to a youth and claims that the iron head will speak at the proper time and reveal all secret knowledge. But the Dr. Mirabilis watched the head for weeks without hearing a word... but then, the image spoke.

Commander John Hanson recalls his harrowing expedition among the giant spiders of FX-31.

Ben Amherst is a cree collector on Ganymede in the year 2083. Although he normally operates alone, he finds himself accompanied on one of his rounds by a tourist from Earth named Kirt Scaler. Scaler plans to travel with Amherst to the village of Aquia, then remain there for two months while Amherst...

 Patricia is in love with Nicholas Devine, suddenly Nicholas undergoes a mysterious change and becomes cold and calculating. Patricia consults a psychologist Dr. Carl Horker to try and figure out what has happened…

An account of a journey through the axis of the earth: collated from the diaries of the late Professor Haffkin and his niece, Mrs. Arthur Princeps.

Every century has its advantages and its drawbacks" he said. "We for instance have bred out sexual desire. And as for you people ...