Mortimer T. Flightdeck, Ratonaut and Future YouTube Sensation, has big plans for ratkind. A spot on the International Space Station (ISS) has opened up, and Mortimer, is not about to miss his chance to become an intergalactic space rat. And that's just the first step in his master plan to prove that rats are much better suited than humans for a future mission to Mars. He packs his camera and prepares to take to the internet with his evidence of rat superiority.

Kate and her younger brother, Tom, lead dull, uninteresting lives. And if their dull, uninteresting parents are anything to go by, they don't have much to look forward to. Why can't Kate have thrilling adventures and save the world the way people do in books? Even her 11th birthday is shaping up to be mundane - that is, until her mysterious and highly irresponsible Uncle Herbert, whom she's never even met before, surprises her with the most unexpected, exhilarating, inappropriate birthday present of all time: a colossal steam locomotive called the Silver Arrow.

Meet Resilience, a Mars rover determined to live up to his name. Res was built to explore Mars. He was not built to have human emotions. But as he learns new things from the NASA scientists who assemble him, he begins to develop humanlike feelings. Maybe there’s a problem with his programming…. Human emotions or not, launch day comes, and Res blasts off to Mars, accompanied by a friendly drone helicopter named Fly. But Res quickly discovers that Mars is a dangerous place filled with dust storms and giant cliffs.

When Gregor falls through a grate in the laundry room of his apartment building, he hurtles into the dark Underland, where spiders, rats, and cockroaches coexist uneasily with humans. This world is on the brink of war, and Gregor's arrival is no accident. A prophecy foretells that Gregor has a role to play in the Underland's uncertain future. Gregor wants no part of it, until he realizes it's the only way to solve the mystery of his father's disappearance.

Stanley Yelnats is under a curse. A curse that began with his no-good-dirty-rotten-pig-stealing-great-great-grandfather and has since followed generations of Yelnatses. Now Stanley has been unjustly sent to a boys' detention center, Camp Green Lake, where the boys build character by spending all day, every day digging holes exactly five feet wide and five feet deep. There is no lake at Camp Green Lake. But there are an awful lot of holes.

New York Times best-selling author Gordon Korman harkens back to his No More Dead Dogs days in this stand-alone that takes a tone more serious than you've ever heard from him before. A boy who's been a bully and hanging out with the wrong friends gets a new start after a memory-loss-inducing accident. But can someone really change who he is, or will the old him merely come back over time?

When Thomas wakes up in the lift, the only thing he can remember is his name. He's surrounded by strangers - boys whose memories are also gone. Outside the towering stone walls that surround them is a limitless, ever-changing maze. It's the only way out - and no one's ever made it through alive. Then a girl arrives. The first girl ever. And the message she delivers is terrifying: Remember. Survive. Run.

Ally has been smart enough to fool a lot of smart people. Every time she lands in a new school, she is able to hide her inability to read by creating clever yet disruptive distractions. She is afraid to ask for help; after all, how can you cure dumb? However, her newest teacher Mr. Daniels sees the bright, creative kid underneath the trouble maker. With his help, Ally learns not to be so hard on herself and that dyslexia is nothing to be ashamed of.

December is the time of the annual Ceremony at which each twelve-year-old receives a life assignment determined by the Elders. Jonas watches his friend Fiona named Caretaker of the Old and his cheerful pal Asher labeled the Assistant Director of Recreation. But Jonas has been chosen for something special. When his selection leads him to an unnamed man, the man called only the Giver, he begins to sense the dark secrets that underlie the fragile perfection of his world.

Shade, a young silverwing bat, is the runt of his colony. Determined to show how brave he is, Shade breaks one of the ancient rules that governs the bats. As punishment, owls burn the bats' roost, forcing them to migrate earlier than normal. While on the trip south to the Hibernaculum, Shade becomes separated from his flock during a rain storm. His destination is millions of wing beats away. Now he must find a way to make the journey on his own.