Sofi Snow, the most wanted teenager alive, travels to the icy, technologically brilliant planet of Delon, but as she tries to find her brother Shilo and warn those on Earth of Delon's dark designs on humanity, Sofi feels herself unraveling and questions the very existence of reality.

SUICIDE RACE TO LUNA The four men had been scrutinized, watched, investigated, and intensively trained for more than a year. They were the best men to be found for that first, all-important flight to the Moon-the pioneer manned rocket that would give either the East or the West control over the Earth. Yet when the race started, Adam Crag found that he had a saboteur among his crew... a traitor! Such a man could give the Reds possession of Luna, and...

Sixteen-year-old half-alien Sydney Chambers leaves Earth to seek his long-missing father, and unearths a devastating, centuries-old secret about humanity.

When a radio message in code is received from Ratner's Star, only a fourteen-year-old Bronx boy can understand its meaning.

Fritz Leiber (1910–1992) may be best known as a fantasy writer, but he published widely and successfully in the horror and science fiction fields. One of his major SF creations is the Change War, a series of stories and short novels about rival time-traveling forces locked in a bitter, ages-long struggle for control of the human universe where battles alter history and then change it again until there is no certainty about what might once have happened....

"Ness Brown's The Scourge Between Stars is a tense, claustrophobic sci-fi/horror blend set aboard a doomed generation ship harboring something terrible within its walls. "A perfect scare to swallow up in one sitting." -Chloe Gong, #1 New York Times bestselling author of These Violent Delights As acting captain of the starship Calypso, Jacklyn Albright is responsible for keeping the last of humanity alive as they limp back to Earth from their forebears'...

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...

Strange signals from outer space. Unexplained phenomena across the globe. Are we alone in the universe? Are we sure we want to know? Television investigator Lauren Grayson and her husband Rowan are shooting a new show for The Escape Channel. But the assassination of a Russian cosmonaut-just as he declares that aliens exist-and her estranged brother's discovery of bizarre space signals, interrupt their plans. Lauren races to find the truth...

In AD 2125, humanity fell short of achieving the United Nations' sustainable development goals. Technological advancements in the past century led to the creation of nuclear defense systems and new types of nuclear weapons, including meteorological weapons. However, this technological competition and exploitation resulted in the depletion of natural resources and the destruction of the environment. A 180-year period of relative peace came to an end...