Mostrando títulos en Acción y Aventura

Ax is an Andalite, an alien, stranded on a strange planet he's sworn to defend, even though it's not his own. Since the Animorphs rescued him, he's fought at their side, and in that time they've come to consider Ax a friend. But deep inside, Ax knows he isn't their friend. He can't ever be. Andalites must always hold themselves apart, even from their allies. As the Animorphs' past actions start resulting in deaths of innocent people, however, Ax's loyalty is called into question. Now he must decide whether to reveal the reason for his estrangement - the shameful secret of his people.

Sam Miracle never thought that his future could lie in the past. But after leaping through centuries at the side of a mystical time walker, Sam and his best friend, Glory, know that the next morning's sun could belong to yesterday as easily as tomorrow. But no day is safe. Since the Vulture escaped, Sam and Glory's greatest nemesis has left no time nor place unmarked by his path of destruction. At least Sam and Glory have Peter, the youngest version of their mentor, Father Tiempo, to help repair the sands of time...until they don't.

In book three of this hysterical series, Klawde faces a challenger he never imagined: a dog, who has arrived on Earth to settle the intergalactic score. He's hyper, he's loyal, he's an all-around-good boy, and he's here to bring Klawde to justice. Can our ferocious feline evade the long paw of the law? Raj, on the other hand, is faced with his own out-of-town visitor who, although from Earth, may prove to be even more formidable: his grandmother. When she plans a birthday party Raj doesn't want, will he survive the embarrassment?

On a family trip to Paris, Greg Rich's parents disappear. They're not just missing from the city - they're missing from the century. So, Greg does what any other 14-year-old would do: He travels through time to rescue them. Greg soon finds out that his family history is tied to the legendary Three Musketeers. But when he meets them, they're his age, and they'll only live long enough to become true heroes if he can save them.

After a harrowing escape from the SYLO occupied Pemberwick Island, Tucker Pierce and his surviving friends have finally reached the mainland, only to find that no one is left. The once bustling seaport city is deserted.From the bowels of a Portland hospital where they encounter their first fellow survivor to the abandoned stores they must raid for supplies, Tucker, Tori, and company set off on a quest for answers and, for Tucker, vengeance. Tucker soon realizes that “trust no one” doesn’t just mean the U.S. military.

When Finn is saved from the Time Rangers by an older version of himself, it comes with a catch. Old Man Finn needs Finn and his friends, Lincoln and Julep, to help him win battles he lost years ago against the Paradox, a terrible creatures obsessed with revenge against Finn's father. If they succeed, he promises to tell Finn where his father is. He even gives them a pair of time-traveling pajamas to help them with their quest. There's only one problem. The pajamas malfunction almost immediately.

No one is shocked by the six-eyed alien strolling around the Universal back lot. The tourists just think he's part of the show. It doesn't take long for Buddy to land a role on a popular TV show, playing (of course) an alien. He becomes an overnight heartthrob and is suddenly faced with legions of adoring fans, rides in glamorous limos, and appearances at "all-the-shrimp-you-can-eat" red carpet parties. But can Buddy maintain his secret identity while in the spotlight?

This story begins after King Uhla'ar kidnapped Aly and dragged her back through a rift in time. A giant, merciless behemoth guards the opening, and so Jack McKinley and his friends realize that rescuing Aly will be harder than they thought. Their only hope is to rush to the last of the Ancient Wonders and find the rest of the lost Loculi.

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.

The magic tree house has returned, and it's taking Jack and Annie back in time to Alaska, 1925. There they meet Balto, a jet-black Siberian husky destined to save victims of the diphtheria epidemic. But the trail isn't easy, and Balto is going to need Jack and Annie's help!

Jack and his fellow students are now well into their School of Thought training and are "sidekicking" for official, card-carrying super heroes. But, even though Jack feels more at home in the Imagine Nation, he's still hiding secrets from his friends Skerren and Allegra, both about his shocking connection to their enemy Revile and about his "Top Secret" school assignment, which involves investigating the RÜstov computer virus that affects the Mechas.

Justin Somper, internationally acclaimed author of young adult fiction, returns with the exciting sequel to the thrilling Vampirates: Demons of the Ocean. This swashbuckling adventure takes the bold seafaring twins,Connor and Grace, across the treacherous oceans where the notorious vampirates prowl.

Hold your horses! Jack and Annie must find four secrets of greatness for Merlin the magician. To start, they travel back in time to meet Alexander the Great. He should know all about greatness, right? But young Alexander is bossy, vain, and not great at all! How can they learn from him? It’s going to take a wild black stallion, magic from Merlin, and a lot of bravery to succeed. Are Jack and Annie clever and bold enough to complete their mission?

When best friends Dak Smyth and Sera Froste stumble upon the secret of time travel - a hand-held device known as the Infinity Ring - they're swept up in a centuries-long secret war for the fate of mankind. Recruited by the Hystorians, a secret society that dates back to Aristotle, the kids learn that history has gone disastrously off course. Now it's up to Dak, Sera, and teenage Hystorian-in-training Riq to travel back in time to fix the Great Breaks . . . and to save Dak's missing parents while they're at it.

"This series is more than great! It should be on every bookshelf for any kid who loves adventure." – Buzzyflight. Book 9 in the award-winning Wright Cousin Adventures series! “We’re not set up for deep space,” said Robert. “We’re in big trouble.” 3-2-1-Blastoff! The Wright cousins are out of this world and so is the fun! Join the cousins as they travel into space aboard the new Stellar Spaceplane. Enjoy zero gravity and the incredible views. But what about the space aliens Tim keeps seeing? The Wright cousins soon discover there really is something out there, and it’s ...

Eko is in trouble! The dark wizard Maldred has trapped her with a powerful spell. To free her, Drake and Rori must find the Time Dragon. But a sneaky imp sends Drake traveling back in time! Will Drake be able to save Eko...or will he be stuck in the past forever?

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.

Jesse Rigsby hates video games—and for good reason. You see, a video game character is trying to kill him. After getting sucked in the new game Full Blast with his friend Eric, Jesse starts to see the appeal of vaporizing man-size praying mantis while cruising around by jet pack. But pretty soon, a mysterious figure begins following Eric and Jesse, and they discover they can't leave the game. If they don't figure out what's going on fast, they'll be trapped for good!

Tensions are running high when multibillionaire Lars Sjoburg is poisoned and demands to go home, and everyone is looking to Dash Gibson to solve the case in this third and final book in the New York Times best-selling Moon Base Alpha series.

The birth of a hero is never easy. Clumsy as an elephant in high heels, he is nothing like his legendary scout father. But inside that bull-moose-of-a-body lies the heart of a hero whose moment has arrived! Next, a boy survives alien invasion - but must learn to think and act like his reptilian enemy to exact retribution for slaughter. These and two other tales of coming-of-age-through-peril from the writer who invented the genre, Andre Norton.