human-alien encounters

Twelve-year-old Jack is almost killed by intergalactic beings when he is mistaken for precocious superspy Gradius Clench, and his only chance for survival is to team up with a ragtag group of alien bounty hunters.

"Albert, a 7th grader, is abducted by aliens who recruit him to play Star Striker for their interplanetary soccer team, but it isn't until after he agrees that he discovers that someone or something is trying to kill him"--Provided by publisher.

"A stranded alien continues to hide in Patience, Washington, posing as the town's doctor. He has no intention of leaving--unless it's to get back to his home planet! When a startling new mystery catches his attention, he takes a trip to New York City with the hope of finally finding a way to communicate with his home world"--Provided by publisher.

The human crew of the "Pillar of Autumn" tries to hide from the hostile aliens in Slipspace, where they uncover an ancient mystery and the long-lost race that inhabits a massive, artificial ring-world, but after they are forced to crash-land on its surface, the humans get caught in middle of a violent struggle for control of the land.

Section Three, a secret cell of the Office of Naval Intelligences, travels to the planet Onyx, where the soldiers are suppose to begin their plan to save Earth, but instead they awaken an ancient technology.

As life on Mars becomes impossible, Martians and their terrifying machines invade the earth.

Alien parasites have invaded Earth and taken over the minds of ordinary people. Shin has been infected with a parasite, but he still can think and act for himself. Now he's been approached by two mysterious victims of the invation: Tamiya, a beautiful schoolteacher, and Shimada, another student. What do the aliens want with humanity, and with Shin?.

An alien parasite has infected the body of a high school boy named Shin. As the parasite begins to dominate Shin he fights to maintain his humanity.

Yuuki Rito is your average high school studentawkward, shy, and hopeless when it comes to confessing his feelings to the girl of his dreams. But one day, a beautiful woman suddenly materializes in his bathtub! Her name is Lala Deviluke, an alien princess on the run from an intergalactic empire. After Rito gets unwittingly engaged to Lala, he soon finds himself sucked into a battle for Lalas affections, as alien suitors from across the galaxy vie for her hand in marriage. Ritos troubles have only just begun!.

Rito Yuuki is your average high school student-awkward, shy, and hopelesswhen it comes to confessing his feelings to the girl of his dreams. But one day,an alien princess on the run suddenly appears in his bathtub! When Rito finds himself engaged to the beautiful Lala after a misunderstanding, he becomes embroiled in the chaos of extraterrestrial politics, rival alien suitors, and harem hilarity! The story continues in To Love Ru Darkness, when Lala's younger sister Momo begins her own machinations to marry Rito...but it can only happen if he is coronated as king of their interstellar empire, which would allow him to marry as many women as he wants!.