The arrival of Andalites on Earth gives Ax and the Animorphs allies to fight against the Yeerk invasion but also causes new poblems.

"No one in the history of histories has lost more than Philippa Georgiou, ruler of the Terran Empire. Forced to take refuge in the Federation's universe, she bides her time until Section 31, a rogue spy force within Starfleet, offers her a chance to work as their agent. She has no intention of serving under anyone else, of course; her only interest is escape. But when a young Trill, Emony Dax, discovers a powerful interstellar menace, Georgiou recognizes...

Pleskit and Tim must take on the hamsters in Ms. Weintraub's room after they are transformed by alien vitamins--or is there something else at work?

Candace has always known that her brothers are a little weird, especially Ferb, who never seems to talk. But after watching an all-night science-fiction movie marathon, she's convinced that Ferb is actually an alien! Can Candace prove her brother is really from another planet?

After a trip to the planetarium, Olivia wonders if her younger brother is really an alien sent to Earth to rid the planet of older sisters.

An electrifying thriller from New York Times bestselling author Dayton Ward, set in the Star Trek: The Next Generation universe.
2031: United States Air Force fighter jets shoot down an unidentified spacecraft and take its crew into custody. Soon, it's learned that the ship is one of several dispatched across space by an alien species, the Eizand, to search for a new home before their own world becomes uninhabitable. Fearing...

When a strange man named Altek, armed with a projectile weapon, arrives on Deep Space Nine days after the assassination of Federation President Nan Bacco, the crew must figure out why he has been sent out of the Celestial Temple.

When the Romulans use an interdimensional transfer device to remove the Klingon and Federation representatives during peace negotiations, Captain Kirk and his crew work to reclaim the device and maintain the tentative peace.

At the end of 2385, in a significant shift of its goals from military back to exploratory, Starfleet sent Captain Benjamin Sisko and the crew of the U.S.S. Robinson on an extended mission into the Gamma Quadrant. Tasked with a yearlong assignment to travel unknown regions, they set out to fulfill the heart of Starfleet's charter: to explore strange new worlds, and to seek out new life and new civilizations. But now three months into the mission, their...

Jedi Knights Anakin and Obi-Wan journey to the planet Taloraan, with Padawan Ahsoka, to secure more allies for the Republic, but the two ruling parties--the Defrandi and the Wind Raiders--are not receptive to their needs.