Washoe County Library System

When aliens come to Earth on an interplanetary trade mission, sixth-grader Tim makes friends with the ambassador's son and together they uncover a plot to sabotage the mission.

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. Could your teacher be an alien? Do your research with this bestselling, hilarious sci-fi favorite from the author who inspired Christopher Paolini’s Eragon series. Sixth grade is just out of this world! Susan Simmons can tell that her new substitute...

Alien boy Pleskit has removed his grandfather's brain from the master tank hoping to gain some insight into human ways, but trouble ensues when he misplaces the cranky organ in the mall.

"When the hamsters in Ms. Weintraub's room start acting strangely, everyone thinks the problem must be the alien vitamins that Pleskit has been feeding them. But even after Pleskit stops the vitamin treatments, the hamsters continue to grow bigger and stronger and crankier. Clearly, something else is at work. To find out what, Tim and Pleskit must solve a mystery, track down an enemy, and defend themselves against a trio of the most dangerous hamsters...

Pleskit and Tim's last-minute project for the science fair leads to disaster in this fifth book in the hilarious, fast-paced, and accessible sci-fi series Sixth-Grade Alien from the bestselling author of Aliens Ate My Homework, Bruce Coville. It's science fair time again, and Tim Tomkins is in trouble. It's only two days until the big event, and he hasn't finished his project! In fact, he hasn't even started it. Given Tim's track record with homework,...