Showing titles in Action & Adventure

Ax and the Animorphs are about to have a huge problem. It starts when they decide to morph into mosquitoes in order to slip by some unsuspecting Yeerks, and ends with them stuck in Zero-space with no idea how they got there, no way back to Earth...and no oxygen. Luckily, an Andalite scout ship finds them before it's too late. But now Ax is finally with his own people. And he doesn't know if he ever wants to go back to Earth.

George's best friend, Annie, needs help. Her scientist father, Eric, is working on a space project -- and it's all going wrong. A robot has landed on Mars but is behaving very oddly. And now Annie has discovered something weird on her dad's supercomputer.

Don Harvey is a citizen of the Interplanetary Federation - yet no single planet can claim him as its own. His mother was born on Venus and his father on Earth, and Don himself was born on a spaceship in trajectory between planets. When his parents abruptly summon him away from school on Earth to join them on Mars, he has no idea he's about to be plunged into deadly interplanetary intrigue. But the ship Don is traveling on is unexpectedly diverted to Venus, where the colony has launched a revolution against Earth's control.

After their home burns down, fourteen-year-old Nick, his younger brother, and their father move into a ramshackle Victorian house they've inherited. When Nick opens the door to his attic room, he's hit in the head by a toaster. That's just the beginning of his weird experiences with the old junk stored up there. After getting rid of the odd antiques in a garage sale, Nick befriends some local kids - Mitch, Caitlin, and Vincent - and they discover that all of the objects have extraordinary properties.

Monsters Unleashed - where you catch virtual-reality monsters on your cellphone - is one of the hottest mobile games around, and Bex and Charlie just can't stop playing. They even check out an old map in Charlie's grandfather's attic in hopes of discovering some forgotten places in town where the rarest monsters might hide. But they find a strange machine up there, too, and after Charlie switches it on, the wifi goes down...and Bex's entire catalog of monsters vanishes!

Using his father's watch as a key, Jake intends to return to Calypsos. Instead he's thrust into a strange desert land where he's joined by his friends Marika, Pindor, and Bach'uuk and his sister, Kady. As they try to figure out what to do next, a surprise attack by the beautiful young Princess Nefertiti takes them all captive. Soon even she is battling the Skull King's minions. For Jake has something the Skull King wants - a prize that will give its owner awesome power, including control of the fearsome Howling Sphinx.

There's something pretty weird going on in the woods behind Cassie's house, the place where Ax and Tobias call home. It seems the Yeerks have figured out one very important fact: Andalites cannot survive without a feeding ground. Visser Three knows the "Andalite bandits" don't feed where he does, so there can only be one other place. Now the Animorphs have to figure out a way to stop a bogus logging operation. Because if Visser Three finds Ax in the woods, nothing will stop him from finding the Animorphs.

Having assumed the identity of a young D’Artagnan, Greg Rich is beginning to get the hang of things in 1615 Paris. But he hasn’t figured out how to get home yet. Or how to defeat the dangerous Michel Dinicoeur, who has made it his mission to destroy Greg, Athos, Aramis, and Porthos. When Dinicoeur escapes the Bastille and flees to Spain, the Musketeers charge after him, only to be ambushed. Someone is anticipating their every move. Could there be a traitor in their midst?

The NPCs of Minecraft barely had time to celebrate their victory over the spider queen and the king of the skeletons before terrible new crimes broke the hard-earned peace. Inexplicable fires are breaking out under mysterious circumstances, the flames destroying more and more land with every tick of the CPU. Gameknight999 knows something is terribly wrong but has no idea who is responsible or how to stop them.

The Kingdom Keepers' senior year in high school is almost over. For more than three years, things have been quiet. Their battles are long behind them, they agree, the threat to the Disney realm silenced albeit at great cost. But inside the catacombs of the Aztec temple where Finn Whitman faced down his nemesis, the monstrous Chernabog, a new threat brews.

When Charlie’s longed-for brother is born with a serious heart condition, Charlie’s world is turned upside down. Upset and afraid, Charlie flees the hospital and makes for the ancient forest on the edge of town. There Charlie finds a boy floating face-down in the stream, injured, but alive. But when Charlie sets off back to the hospital to fetch help, it seems the forest has changed. It’s become a place as strange and wild as the boy dressed in deerskins.

I'm Aang—and this is the tale of my journey through the Earth Kingdom. I traveled there with my friends Katara and Sokka to find an Earthbending teacher. I'm not sure why, but we ran into trouble almost everywhere we went. We got chased by Prince Zuko's sister, Azula, and got caught in a sinking library. Did I mention that Appa got kidnapped by Sandbenders? There were definitely some scary moments...but I can't complain about getting stuck in the Cave of Two Lovers with Katara! All in a day's work for the Avatar, right?

When his brother catches measles, Tom is sent away for the summer to stay with his uncle and aunt and is thoroughly fed up about it. What a boring summer it's going to be. But then, lying in bed one night, he hears the old grandfather clock in the hall strike the very strange hour of 13 o'clock. What can it mean? As Tom creeps downstairs and opens the door, he finds out...a magical garden, a new playmate, and the adventure of a lifetime.

Daring pilots chart new routes through hyperspace, while Pathfinder teams make contact with frontier worlds to invite them to join the Republic. When a Pathfinder team's communications droid is found drifting in space, damaged and bearing a cryptic message, Jedi Knight Silandra Sho and her Padawan, Rooper Nitani, are sent to find the missing team members. Their investigation leads them to the planet Gloam, a ravaged world said to be haunted by mythical monsters. Can the Jedi find the missing Pathfinders and unravel the mystery of the monsters?

Daniel is the backup punter for the Erie Hills Elephants, which really means he's the water boy. He spends most of his time hoping no one notices his strange habits - he calls them Zaps: avoiding writing the number four, for example. His life gets weirder when another girl at school, unkindly nicknamed Psycho Sara, notices him for the first time. She seems to peer through him. Then Daniel gets a note: "I need your help", it says, signed, Fellow Star Child - whatever that means. Suddenly, Daniel, a total no one at school, is swept up in a mystery that might change everything for him.

Glitches are appearing across the Minecraft server. Blocks are flickering unexpectedly and randomly disappearing. To make matters worse, villagers are claiming that their entire villages have mysteriously vanished, and they desperately need Gameknight999's help. What's causing the server to overload and glitch, and where have all the NPCs gone? The User-that-is-not-a-user suspects the two questions are related, and that somehow Herobrine's henchmen are responsible.

Critically acclaimed author Margaret Peterson Haddix’s fourth tale from her popular Missing series finds Jonah and Katherine hurtled through time to 1611. Landing aboard Henry Hudson’s ship in James Bay just before a mutiny, Jonah and Katherine struggle to survive brutal weather conditions. They also realize something is wrong. A crucial person has vanished, and the history they remember is drastically different from what they’re experiencing. Will this new version of history replace the real past?

What's tasty, good for you, and only takes 60 seconds to make? Oatmeal. And because of a strange reaction to the Yeerk's physiology, it's making the would-be invaders of Earth more than a little crazy. Now Rachel and the other Animorphs have a new weapon against the Yeerks. Sounds good, right? Wrong. Because using this advantage against the Yeerks has dire consequences for their human hosts. In order to avoid hurting innocent people, the Animorphs will have to make another trip to the Yeerk pool, where they barely escaped with their lives.

Are you ready for a presidential adventure? Jack and Annie are! They are whisked back to Washington, DC, in 1861. Jack can’t wait to meet Abraham Lincoln himself! But the new president is too busy to see them, as he is desperately trying to save a nation in crisis. It’s a race against time as Jack and Annie try to aid a president and a troubled nation!

David, the traitorous Animorph, is back. When the Animorphs decided to give another human being the power to morph, it was one of their biggest mistakes. David tried to destroy them all -- and almost succeeded. Rachel and the others thought they'd seen the last of him when they trapped David as a nothlit, leaving him on a deserted island to live out his days as a rat...They were wrong.