Uneasy about her new substitute teacher, Susan Simmons' suspicions about Mr. Smith are confirmed when she discovers he is an alien determined to bring some sixth-grade specimens back to his planet.

A timid boy, eager to frighten the school bully on Halloween night, acquires a magic ring and the power to change himself into a hideous monster.

Alien Invasion of Earth!Peter Thompson, a typical seventh-grader, finds himself touring the planet with his friends Susan Simmons and Duncan Dougal, and three aliens in disguise!Their mission? To file the final report that will determine Earth's future in the universe.As the clock ticks away the hours before their meeting in space, the tour becomes weirder and weirder. The three friends come face-to-face with a plague of poots and "Big Julie" -- the...

Peter Thompson chooses to return to space with the alien Broxholm who has been masquerading as a teacher in order to study humans, but he is alarmed to discover the rulers of the galaxy are debating how to solve the problem of violent, destructive, underachieving Earthlings.

"Now that Amber's mom and Max are married, the family is moving to a new house, and Amber is worried about more than just packing. How can she leave the only home she's ever known?"--

Tim helps an alien Beebo to return home but not without danger in the process.

Pleskit's alien pet causes widespread panic in this sixth book in the hilarious, fast-paced, and accessible sci-fi series Sixth-Grade Alien from the bestselling author of Aliens Ate My Homework and My Teacher Is an Alien, Bruce Coville. Having a pet shapeshifter might be one of the coolest parts of being from a different planet. So when Jordan accuses Pleskit of lying about his Veeblax's abilities, Pleskit decides take his pet to class--without asking...