There's an Alien in My Backpack

Pleskit and Tim meet a new alien friend in this ninth 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.

Pleskit has always said that he’s not necessarily the first alien to go to school on Earth—just the first one to do it openly. Tim discovers the truth of those words when he meets a two-foot-tall...