When Rod tells his teacher that aliens ate his homework, she and the other students don't believe him.

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

From the outer reaches of space to the small-town streets of suburbia, the hunt comes home. Now, the universe's most lethal hunters are stronger, smarter, and deadlier than ever before, having genetically upgraded themselves with DNA from other species. When a young boy accidentally triggers their return to Earth, only a ragtag crew of ex-soldiers and a disgruntled science teacher can prevent the end of the human race.

Inhabitants of a disabled spaceship take steps to prevent the panic-stricken citizens of Sand Rock from thwarting efforts to repair their craft.

Going back to a time when superheroes were new to our world, we learn how the Justice League came together during an alien attack of Earth.

A boy named Jake wakes up to find himself twenty-five years old and in a world ruled by the aliens known as the Yeerks.

Sprouting a tail and spikes over the summer before fifth grade, Sawyer, a boy with the dinosaur gene, is bullied in school, but when his tormentors begin to disappear, it is up to Sawyer, his best friend Elliot, and a mysterious new girl to rescue them from a galactically horrible fate.

Ax, who has always believed that he is the only non-infested Andalite on Earth, discovers that there are others trying to survive until help finally comes.

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 spaceship arrives in Arizona, 1873, to take over the Earth, starting with the Wild West region. A posse of cowboys and natives are all that stand in their way.