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Really big trouble is an understatement these days. The war with the Yeerks is full on -- and it's definitely going to get worse. But Cassie and the other Animorphs have a lot more going on than just trying to stay alive. Now they've got to actively protect their families and the free Hork-Bajir. And they no longer believe they can do it alone. The Yeerks are just too powerful.

Hank's school is hosting its first-ever Build-a-Robot competition, and Hank is ready to win. There's just one problem: He completely forgot about the contest! While other kids have been working on their robots for a month, Hank has just two days to create an amazing robot that will wow the judges and win him the trophy. To make matters worse, there might be another problem, too. Hank has no idea how to build a robot! With help from Jaden, a robot expert at his school, Hank and his friends construct their robot, Stanley, just in time.

In this companion volume to A Wrinkle in Time (Newbery Award winner) and A Wind in the Door fifteen-year-old Charles Wallace and the unicorn Gaudior undertake a perilous journey through time in a desperate attempt to stop the destruction of the world by the mad dictator Madog Branzillo. They are not alone in their quest. Charles Wallace's sister, Meg - grown and expecting her first child, but still able to enter her brother's thoughts and emotions by "kything" - goes with him in spirit.

How did Joe, Fred, and Sam end up in King Arthur's court? It all started with The Book, a present from Joe's magician uncle. One minute they were looking at pictures of knights in The Book - and the next minute they are knights, battling fire-breathing dragons and gross-smelling giants! Can the Time Warp Trio escape death and destruction - and make it back to the twentieth century in time for lunch?

Twelve-year-old Zola thinks she has the perfect life. She thinks everyone does, now that it’s 2193, and humanity has solved all its problems. Insta-Closets deliver new clothes every morning, Insta-Ovens deliver gourmet meals on demand, and virtual reality goggles let her have any adventure she wants, with friends from all over the world. Then one day Zola finds a handwritten note in her Insta-Closet: If you want to see things as they really are, come find me. What if Zola’s wrong about everything—even the year?

I am Prince Zuko. After being betrayed by my wicked sister, Azula, Uncle Iroh and I have sought new lives in the Earth Kingdom. It is humbling to wander as a refugee, but it has also opened my eyes to the pain the Fire Nation has inflicted on the world—as well as on me. On one hand I am proud to be a prince of the Fire Nation, but on the other hand I feel very ashamed. What is my destiny? Is it to turn my back on the Fire Nation and start anew, or is it to restore my honor and earn back my rightful place as the future Fire Lord? I have yet to find out.

News alert! It has just been discovered that there are NO MORE TACOS left anywhere in the world. This is a huge problem because, as you know, dragons love tacos. If only there was a way for the dragons to travel back in time, to before tacos went extinct. Then they could grab lots of tacos and bring them back! It’s the perfect plan, as long as there’s no spicy salsa. You remember what happened last time....

I am Azula, daughter of the Fire Lord Ozai, and I plan to one day rule the Fire Nation—and the world. But first I have to deal with my good-for-nothing brother, Prince Zuko. Well, he was good for nothing, until he led me to the Avatar! I headed to the Earth Kingdom, where, with the help of Mai and Ty Lee, we trached down the Avatar and his ragtag band. I engaged in a fierce battle with the Avatar himself! I lost that fight, but he should be forewarned: He has not seen the last of Princess Azula.

One minute Qwerty Stevens is researching a last-minute report on the internet, and the next minute Benjamin Franklin is sitting on his bed! Thanks to the Anytime Anywhere Machine hooked up to his computer, Qwerty has snatched Franklin from July 4, 1776, the very day the Declaration of Independence was signed. Qwerty and his best friend, Joe, realize they have to get Franklin back in time for the signing, and they can't resist seeing it with their own eyes. Can the boys make sure the Declaration gets signed like history says it should? And can they make it back home?

Thirteen-year-old Min comes from a long line of fox spirits. But you'd never know it by looking at her. To keep the family safe, Min's mother insists none of them use any fox-magic such as charm or shape-shifting. They must appear human at all times. Min feels hemmed in by the household rules and resents the endless chores, the cousins who crowd her, and the aunties who judge her. She would like nothing more than to escape Jinju, her neglected, dust-ridden, and impoverished planet. She's counting the days until she can follow her older brother, Jun, into the Space Forces.

In this sixth and concluding book of the Tunnels series, the Styx and their cohorts of deadly Armagi have swept across England, leaving death and devastation in their wake. It seems nothing can stop them now. Only a miracle can save the day and, in the inner world at the centre of the earth, Will and Elliott might just have stumbled upon one as they uncover ancient secrets that are fundamental to al human and Styx life.

Life used to be great for Rose: full of friends, a loving mom, and a growing fashion blog. But when her mother dies in a car crash, Rose is sent away to live with a strange grandmother she hardly knows and forced to attend a new school where mean girls ridicule her at every turn. The only place Rose finds refuge is in her grandmother’s greenhouse. But one night, she sees a strange light glowing from within it. She goes to investigate...and finds herself transported back 500 years to Hatfield Palace.

Annie, Beans, Rocky, and Fynn are the Scouts - best friends who do everything together. It's 1985, and the summer before seventh grade is just beginning. The Scouts decide to secretly climb Old Man Basinger's silo to watch a meteor shower, and when one meteor seems to crash nearby, the Scouts know they have to set out on their next adventure and find it. But their fun overnight jaunt through the woods soon takes a turn for the worst when they discover a series of disturbing clues about the meteor - and suddenly find themselves on the run from the wild, violent Mason clan.

Arabella’s life was boring until strange things began to happen to her. One day, she is out eating pizza and then suddenly she finds herself with her brother, Tom, in the middle of the Great Siege of Malta in 1565 when the Knights of St. John showed great courage and fortitude in fighting off an invasion from the Turkish Empire. Will they join Grandmaster Valette in battle?

There's a new rumor in town. Someone has discovered an item that proves life on other planets exists, and they've been hiding it on a base called Zone 91, the most secret place on Earth. Cassie and the other Animorphs already know about life on other planets. Too well. Their enemies the Yeerks will try to access Zone 91, to find out if what's there will threaten their mission to conquer to the planet. So the Animorphs decide to pay Zone 91 and the Yeerks a little visit. But what they discover is not at all what they expect.

Zoe knows that the only thing harder than middle school is losing a best friend. She and Laura used to do everything together from taking silly selfies, to joining all the same clubs together and even throwing surprise birthday parties for one another.

Marco's mom is back. But she's not Visser One anymore. Marco's not even sure if she's still a Controller, but he's determined to find out. No matter what it takes. No matter what might happen. Marco wants his mom back. Jake and the other Animorphs realize that Marco is under some serious stress. And that the situation with his mom could very well jeopardize everything they've worked for. Now they also have to wonder if Marco will be the one to give away the secret of the Animorphs.

The time has arrived for Max and her winged "Flock" to face their ultimate enemy and discover their original purpose: to defeat the takeover of "Re-evolution", a sinister experiment to re-engineer a select population into a scientifically superior master race...and to terminate the rest. Max, Fang, Iggy, Nudge, Gasman, and Angel have always worked together to defeat the forces working against them—but can they save the world when they are torn apart, living in hiding and captivity, halfway across the globe from one another?

The Death Star has been destroyed, but the battle is far from over. Princess Leia, Luke Skywalker, and the rest of the Rebel Alliance are on the run from the evil Imperial forces. In this next chapter, they must battle giant space slugs, angry snow creatures, and Darth Vader.

Liam Chapman cannot believe his good fortune. He just bought a real, working time machine at a garage sale for $3. Sure, it’s labeled “World’s Worst Time Machine,” but how bad could it be? The time machine, as it turns out, is so much worse than Liam could have imagined. First, it summons Thomas Edison, but not that Thomas Edison. This Thomas Edison is a 10-year-old aspiring gangster from 1933 who demands to be called “Tommy Twinkles” and is also very interested in robbing a bank of the future.