Jake Foster, a shapeshifting alien of goo disguised as a human, and his spunky friend Agnes investigate the mysterious takeover of their neighbors by "imblobsters" and uncover the reason Jake is losing control of his ability to keep his human shape.

After an alien attack devastates the Earth, pilot and future astronaut Clover Martinez bands with seven other teens in a struggle to survive.

As Daniel X continues to hunt for intergalactic aliens, he and his friends go to England searching for Beta, an outlaw who takes the form of fire and who killed Daniel's parents when he was two years old.

After an alien force known as the Icon colonizes Earth, decimating humanity, four surviving teenagers must piece together the mysteries of their pasts--in order to save the future.

While no cat can be called ordinary, Leonard is definitely no ordinary cat. In fact, he is an alien, sent on an earthly sabbatical and mistakenly given the body of a rather scruffy stray. Rescued by animal lover Olive, Leonard does his best to study the humans he hoped to join while contending with the indignities of hair balls, kitty litter, and a compulsion to shred the curtains. And as he collects experiences - shared cheese sandwiches, jokes,...

At Camp Whatsitooya, twins Joules and Kevin and new friend Nelson face off against large, rabbit-like creatures from the Mallow Galaxy who thrive on sugar, but are not above hypnotizing and eating human campers.

When Jim and Charlie overhear two of their teachers talking in a secret language and the two friends set out to solve the mystery, they do not expect the dire consequences of their actions.

"It's been four years since a meteor hit Perdido Beach and everyone disappeared. Everyone, except the kids trapped in the FAYZ-an invisible dome that was created by an alien virus. Inside the FAYZ, animals began to mutate and teens developed dangerous powers. The terrifying new world was plagued with hunger, lies, and fear of the unknown. Now the dome is gone and meteors are hitting earth with an even deadlier virus. Humans will mutate into monsters...

Young alien agent Zack joins an archaeological dig in Mongolia to ensure that there is no trouble from the dinosaur-like scientists from Vraj's home planet who are on a similar dig nearby.

Cora wakes up in a cage on an alien planet where she meets the Kindred, her mysterious alien captors, and along with other teenager abductees must find a way to escape back to Earth.