When John Carter discovers that his beloved wife, Dejah, has been imprisoned in the Temple of the Sun, he is desperate to rescue her. However, the prison, which slowly rotates, is only opened once a Barsoomian year. As Dejah's prison sentence drags on for over a hundred days, the window of opportunity is narrowing for Carter to save her. Amid social and political unrest from the last war, the Thern had appointed a new leader, but many still believed...

A World Exists where the Incomparable Beauty of an Alien Technology Meets Its Ultimate Challenge: To Remain Protector of Their Secret Trancendent Yet to Be Born. A remote planet's inhabitants' coexistence with ghost colonization from another world. The Denevans are the only explorers known toride their expanse wave of their galaxy's five spiral arms. They bring a concept all their own. They seek to fulfill the wish for the procreation of a future...

The discovery of a second satellite leads to an Earth-men war on frog-vampires for the emancipation of the human cows of Earth's second satellite.

Youth is a science fiction novelette by Isaac Asimov. It first appeared in the May 1952 issue of Space Science Fiction and was reprinted in the 1955 collection The Martian Way and Other Stories. Youth is one of the rare Asimov stories with alien characters. Slim is a boy whose astronomer father is visiting the country estate of an important industrialist. The industrialist's son, Red, has found two strange animals, and he enlists Slim in a plan to...

In this thriller from an author who "deftly mix[es] history, science and science fiction," researchers discover alien life and global conspiracy (Publishers Weekly). A signal from space, a conspiracy on Earth. An underground research station in Eastern Europe is suddenly bombarded with rhythmic bursts of subnuclear particles from beyond Earth-a pattern so complex it can only come from a highly evolved intelligence. As the messages...

A Princess of Mars is the first of eleven thrilling novels that comprise Edgar Rice Burroughs' most exciting saga, known as The Martian Series. It's the beginning of an incredible odyssey in which John Carter, a gentleman from Virginia and a Civil War veteran, unexpectedly finds himself on to the red planet, scene of continuing combat among rival tribes. Captured by a band of six-limbed, green-skinned savage giants called Tharks, Carter soon is accorded...

¿Qué sucede cuando una persona de otro planeta termina en el centro de Río de Janeiro? Kris cae con su barco en medio de la bahía de Guanabara, y tendrá que dar la vuelta para sobrevivir no solo a sus perseguidores, sino también a la realidad de uno de los estados más violentos de Brasil. Encontrará que la vida en este lugar puede ser muy difícil, especialmente cuando se desconoce el dinero, la religión, el robo, la corrupción, la homofobia...

On a savage backwater world, the last ragged survivors of an expedition to hunt down the infamous war criminal known as The Beast Magrison set off into an inhospitable wilderness in search of the alien village that may be sheltering this beast. The hunters are aliens from two different species, the village is inhabited by strange aliens of yet another species, and Magrison himself is no sterling advertisement for humanity. Who's human in this situation?...

When meteors strike Earth, destroying every major city, the fallout is immediate and devastating. Surrounding towns and smaller cities survive the meteors but are thrust into an apocalyptic nightmare. The survivors quickly realize it was not meteors that destroyed the major cities, it was a deliberate and orchestrated attack from above. The power quickly goes out, and cell phones become useless. People begin to loot and kill for basic necessities....

The Axenite warrior is a germ-free-axenic, gnotobiotic-human being. He is superior in most ways to ordinary men. But he cannot live in a normal, contaminated world. To him a drop of rain may reek with pestilence, the scent of evening may be a lethal gas. On the planet Kansannamura, the Axenites lived in a sanitized barracks and fraternization with Indigenous Hominids was an offense punishable by General Court-Martial. Piancelli left the security...