Mostrando títulos en Extraterrestres

12-year-old Leo gets a once-in-a-lifetime opportunity to join the very first Moon colony. He’s excited to be part of the top-secret mission, but things quickly go off the rails. Right after his family lands on the Moon, Leo’s dad is called off on an urgent mission from which he never returns. The authorities claim the mission never existed, and Leo’s dad is accused of desertion.

When scientists discover a rare and mysterious mineral buried in the Earth’s crust, they have no idea that it just happens to be the most valuable substance in the entire universe. It’s not long before aliens show up to our little corner of the galaxy offering a promise of protection, some fabulous new technology, and entry into their intergalactic coalition - all in exchange for this precious resource. A material so precious that other alien forces are willing to start a war over it. A war that soon makes its way to Earth.

There's an alien in Jack Archer's bedroom and he's not sure what to do. He's tried to warn his parents, teachers, and friends about the invasion, but everyone has just laughed him off.

The Animorphs have managed to contact the Andalite home world, but the battle is far from over. Visser Two has arrived on Earth, and he's not happy about the state of things. He decides the best way to take over Earth is to have the humans destroy each other, exhausting their weapons in the process. He's going to start World War III.

Still searching for the Emperor’s Seat, Zelia, Talen and Mekki arrive on the jungle planet of Weald. Accompanied by the ingenious alien ape Fleapit and the dashing Rogue Trader Amity, Zelia and her friends become embroiled in a war between two brutish tribes of green-skinned orks! Only by using their wits can they hope to survive this savage encounter....

Eleven-year-old Roswell Johnson is obsessed with conspiracies about extraterrestrial life, an interest he inherited from his late father, who aptly named Roswell after the infamous UFO crash in Roswell, New Mexico.  When Roswell is accidentally abducted by aliens, his biggest dream comes true—he learns that aliens are real!  But when he discovers Earth is in grave danger, he must join forces with a team of quirky extraterrestrials to save his planet from a tyrannical invasion.

The cat that Olive rescues from a flood has a secret: He's not really a cat at all, but an alien who crashed to Earth on a beam of light. The cat, whom Olive names Leonard, was prepared to visit the planet as a human - but something went wrong. Now Leonard may never know what it's like to hold an umbrella, go bowling, or host a dinner party. (And his human jokes still need some work: Knock, knock. Who's there? Just Leonard. It is me.)

Sky Patel-Baum, Area 51’s latest arrival, thought she had finally figured out her strange new home. Sure, there are aliens everywhere, and her new BFF Elvis is from the planet Galzoria. But it turns out things can still get weirder. Because some special visitors just arrived with a warning: Area 51 is in danger! A hunk of space junk is headed right for the base! And it’s not just any hunk of junk! It’s a giant toilet! Even worse? A traitor on base is working with angry aliens to coordinate the attack.

Ax is an Andalite, an alien, stranded on a strange planet he's sworn to defend, even though it's not his own. Since the Animorphs rescued him, he's fought at their side, and in that time they've come to consider Ax a friend. But deep inside, Ax knows he isn't their friend. He can't ever be. Andalites must always hold themselves apart, even from their allies. As the Animorphs' past actions start resulting in deaths of innocent people, however, Ax's loyalty is called into question. Now he must decide whether to reveal the reason for his estrangement - the shameful secret of his people.

America. The 1960s. Stuck on a remote farm with her awful aunt, twelve-year-old orphan Ruth spends every night gazing at the stars, dreaming of adventure. One night she spots a flying saucer blazing across the sky…before crash-landing in a field. When the spaceship opens and reveals a mysterious alien, all Ruth’s dreams come true. But does this visitor from another planet have a giant secret?

When Sky Patel-Baum is sent to live with her mysterious uncle, she didn’t imagine she’d end up here: Area 51. A top-secret military base with a bajillion rules and so classified not even the president knows its secrets. Also, it turns out the place is full of aliens. Lots and lots of aliens. But they prefer to be called Break Throughs, thank you very much.

Have you heard of Area 51? Of course you have! And that's the problem. Everyone's heard of Area 51. What good is a secret government facility that's no longer secret? Which is why the government packed up their alien artifacts and paranormal paraphernalia and moved to a brand new--even more top secret--location...

Jack Archer is convinced something strange is going on at his neighbor's house. Mr. Fleshman always wears all black, hardly ever leaves his house, and never says hello to anyone. Then Jack spots a mysterious creature through Mr. Fleshman's window. It's big and gray, with rotten-looking flesh. Jack has never seen anything like it on Earth. Could it be-an alien? If it is, Jack will have to convince everyone that an invasion is underway!

For the first time since Sky got to Area 51, things seem to be under control. No bunker hideouts. No incoming space toilets. No kidnappings of beloved relatives. In fact, everyone is in a celebratory mood because a special government visitor is coming to Area 51! But on the morning of the visit, a UFO goes missing from the science lab. And then a mysterious whistleblower goes to the media saying they have evidence of a UFO landing! Did someone steal the UFO in order to reveal it to the whole wide world?

The destinies of a 12-year-old boy and an alien man become inextricably linked as they go on the run from government agents and a shape-shifting enemy. The Alien Skill series is a science fiction adventure story for fans of Percy Jackson, A Wrinkle in Time, and Lost in Space. The young at heart will revel in this family-friendly, action-packed series filled with alien powers, engaging characters, and a riveting "alien" hunt.

Sky’s life in Area 51 is full of surprises. Like the fact that aliens are real—and now one is her best friend! But the biggest surprise yet comes when Sky learns that her grandmother has been kidnapped and is stuck in Area 52, the only other alien portal on Earth. Even more bananas? Her grandma has been an undercover FBAI agent for YEARS. Like Sky’s whole entire life. How could Sky not have known her grandma had a secret identity?

Wyatt Benson is NOT a football player. Yes, his dad may be the greatest quarterback of all time, but don't go getting any ideas. Wyatt's the kind of twelve-year-old who invents his own junk food and whose greatest physical achievement was accidentally knocking out his third-grade teacher with a badly thrown dodgeball. (Don’t ask.) So how did he find himself as the quarterback on a football team of pro-athlete tweens playing in an intergalactic tournament against terrifying aliens? Well, it's a long story that involves contractual mishaps and the alien overlord Schnozly Grofsplot.

Something very strange is happening in our galaxy. People, spaceships, and whole stars are disappearing without a trace. The Milky Way Galactic Alliance can’t explain the bizarre phenomena, prompting Roswell and his alien friends to solve the mystery themselves. Along the way, Roswell discovers new technology that puts our entire solar system in grave danger, and he learns he’s closer to the problem than he ever thought possible.

Daniel X's hunt to eliminate each and every intergalactic criminal on Earth is always relentless, but this time, it's getting personal. Number Three on the List of Alien Outlaws takes the form of raging, soul-possessing fire. And fire transports Daniel back to the most traumatic event of his life-the death of his parents.

I thought I knew everything there was to know about my parents, like what they always eat for breakfast. Then one morning, everything changes. Mom suddenly hates tea and loves cornflakes and Dad’s scarfing down poached eggs like there’s no tomorrow - which, by the way, there may not be unless I can figure out what’s gone wrong. Can it really be that Mom and Dad have been replaced by aliens from another world? And what the heck happened to our dog?