When aliens invade from outer space, boy genius Alistair is the only person able to save the Earth.

What if a child from another world crash-landed on Earth, but instead of becoming a hero to humanity, he proved to be something far more sinister? French audio description available.

The reader's decisions determine what happens when a boy who is spending the summer in Canada's Yukon Territory meets an alien that has come to Earth aboard a Soviet shuttle.

Minnie and Moo come to the aid of a visitor from outer space.

When the Animorphs try to stop the tiny alien Helmacrons from taking the morphing cube, Marco gets in the way and ends up with Helmacrons up his nose and inside his head.

Fifteen-year-old Daniel has followed in his parents' footsteps as the Alien Hunter, exterminating beings on The List of Alien Outlaws on Terra Firma, but when he faces his first of the top ten outlaws, the very existence Earth and another planet are at stake.

A group of not-so-nice aliens speed toward Earth looking for a fight--until something terrible scares them away.

When villainous Dormammu opens a portal in the sky he unwittingly unleashes an attack by aliens. Villain or Super Hero--it doesn't matter what side you're on--these aliens are on a mission to take over the world. It's up to Iron Man, Thor, Captain America, and the Hulk and the other Squaddies to work together with the Villains to save Earth from alien invasion!

A research team at a remote research station in Antarctica finds an alien being that has fallen from the sky and has remained buried in the snow for over 100,000 years. Unfrozen and unleashed, it creates havoc and terror as it changes forms and becomes one of them.

Generations have passed since a nuclear blast all but turned America to dust. Out of the ruins emerges a band of warrior-survivalists, led by a one-eyed man called Ryan Cawdor. In their quest to find a better life, they embark on a perilous odyssey across the ravaged wasteland known as Deathlands. An ambush by a roving group of mutant Stickies puts Ryan and Krysty Wroth in the clutches of a tyrant who plans a human sacrifice as a symbol of his power....