Meg Murry and her friends become involved with unearthly strangers and a search for Meg's father, who has disappeared while engaged in secret work for the government.

When the residents of a far-distant planet send a message to Earth asking for someone to meet with them, the President of the United States asks Stanley Lambchop, an all-American boy, to be his ambassador.

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.

A small creature from space finds no welcome on Earth, until she meets a group of children on a playground.

After facing off with the Mogadorian ruler and almost being annihilated, the Garde go into hiding. They must learn to master their Legacies and learn to work together as a team. When they receive a sign from Number Five -- a crop circle in the shape of a Loric symbol -- they know they are close to being reunited. But could it be a trap? Time is running out, and the only thing they know for certain is that they have to get to Five before it's too late....

In a Spanish convent, seventeen-year-old Marina longs to join forces with her fellow Loriens to prepare for battle with the Mogadorians who destroyed their home planet, while in the United States, John, Six, and Sam elude authorities who think John is a terrorist.

"When Rosemary Harper joins the crew of the Wayfarer, she isn't expecting much. The patched-up ship has seen better days, but it offers her everything she could possible want: a spot to call home, a chance to explore the far-off corners of the galaxy and some distance from her past. And nothing could be further from what she's known than the crew of the Wayfarer."--Page [4] of cover.

Two days after Marvin sees a glowing green thing like a flying birthday cake in the night sky, his third-grade class is joined by a mysterious new boy with peculiar behavior.

"Are stories of UFOs and aliens real or can science explain these spooky sightings? Find out in this fascinating investigation of some of history's most unearthly mysteries." -- Back cover.

"When level-headed Francie arrives in Roswell, New Mexico, for her college roommate's UFO-themed wedding-complete with a true-believer bridegroom-she can't help but roll her eyes at all the wide-eyed talk of aliens, which obviously don't exist. Imagine her surprise, then, when she is abducted by one"-- Provided by publisher.