Mostrando títulos en Acción y Aventura

George and his best friend, Annie, have been selected as junior astronauts for a program that trains young people for a future trip to Mars. This is everything they've ever wanted - and now they get to be a part of up-to-the minute space discoveries and meet a bunch of new friends who are as fascinated by the universe as they are. But when they arrive at space camp, George and Annie quickly learn that strange things are happening - on Earth as well as up in the skies.

When Kara Westfall was six years old, her mother was convicted of the worst of all crimes: Witchcraft. Years later, Kara and her little brother, Taff, are still shunned by the people of their village, who believe that nothing is more evil than magic…except, perhaps, the mysterious forest that covers nearly the entire island. It has many names, this place. Sometimes it is called the Dark Wood, or Sordyr's Realm. But mostly it's called the Thickety.

New York Times best-selling authors Ally Condie and Brendan Reichs team up to co-author this thrilling first book in a darkly suspenseful middle grade series. Everyone in Timbers knows Still Cove is off-limits, with its creepy Beast sightings and equally terrifying legends. But when a bullying incident sends 12-year-old Nico Holland over a cliff and into Still Cove's icy waters, friends Tyler and Emma - and even Opal Walsh, who usually runs with the popular kids - rush to his rescue...and discover a mysterious island hiding in the murky, swirling mists below.

Eleven-year-old Roswell Johnson is obsessed with conspiracies about extraterrestrial life, an interest he inherited from his late father, who aptly named Roswell after the infamous UFO crash in Roswell, New Mexico.  When Roswell is accidentally abducted by aliens, his biggest dream comes true—he learns that aliens are real!  But when he discovers Earth is in grave danger, he must join forces with a team of quirky extraterrestrials to save his planet from a tyrannical invasion.

As his adventures with Little Bear continue, Omri travels from the French and Indian wars to the present and then back to the Old West at the turn of the century.

Jack and Annie know they have to search for one of the four secrets of happiness to help Merlin the magician find joy in his life again. And so they head off in the magic tree house for Florence, Italy, in the early 1500s to spend the day with one of the greatest artists and inventors of all time: Leonardo da Vinci!

Dak, Sera, and Riq return to the United States in the year 1850 when the nation is divided over the issue of slavery. The Underground Railroad provides a light of hope, helping runaway slaves escape to freedom. But the SQ has taken control of the Underground Railroad from within. Now Dak and Sera are left wondering who to trust...

Jack’s friends make a startling discovery: They may not be the last kids on Earth, after all. This is great news for everyone...except Jack. Once they’ve found other humans, his friends won’t stick around for long! Jack’s only hope for keeping things the way they are is to prove that everything here is perfect, life is crazy fun, and nothing else could be any better. After all, they live in a mind-clobberingly cool tree fort, speed through town playing real-life Mario Kart, have a crew of monster buddies, and battle zombies on the regular. That's as good as it gets!

A deadly threat emerged from the cosmos-and it was fulfilled. In the wake of Thanos's horrifying success, the people of Earth are left reeling in despair and confusion. Without any logical explanation for the blip-out event, those remaining must pick up the pieces. Doctor Erik Selvig and his associate Darcy Lewis are determined to find and understand the cause of the devastation. With a team of friends both old and new, they embark on a pursuit of knowledge, eager to discover the links between their own pasts and the stones that decimated half of humanity - the Infinity Stones.

What could go better with wieners than a flying space circus? Nothing! Which is why Humphree's all jazzed up at the chance to sell Galactic Hot Dogs as the official food of Crostini's Cosmic Carnival and Wonder Circus train. Cosmoe's not entirely convinced - but once his skills as a monster tamer are unveiled, the deal is done, and the Neon Wiener is officially hooked onto the train.

An audio bundle of three Doctor Who stories to celebrate the 60th anniversary: this collection includes 1960s - Imaginary Friends by Jacqueline Rayner, 1970s - The Cradle by Tasha Suri and 1980s - The Self-Made Man by Mark Griffiths.

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.

The Stars Are Ours: Dard Nordis is a hunted man. His brother was murdered for covert activities as a scientist in a world in which scientists and engineers are blamed for the global war that smashed civilization. Star Born: Centuries after the desperate flight from Earth, Pax has been overthrown and humanity again reaches for the stars. Rof Kurbi's spaceship reaches the planet Astra, but he and the crew do not know that the planet already has a colony established centuries ago.

Nigel’s back. And no one’s happy about it. Everyone hates Nigel. The humans and gorks want their amulet back and have declared open season on him in order to get it; his friends no longer want any part of his shenanigans; and his mom has kicked him out of the house. If only he would destroy the dashed amulet, but Nigel is convinced he can use it for good. Unfortunately, his attempts at becoming a hero backfire, culminating in a disaster that threatens all life in Esteria.

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!

This riveting adventure is set in a satellite world created as a refuge from a dying Earth. Edgar, a gifted climber, is a lonely boy scaling the perilous cliffs that separate the three realms of Atherton, including a vast wasteland where he must confront an unspeakable danger that could destroy his people. When Edgar discovers a book containing the history of Atherton's origins and ultimate apocalypse, his world quite literally begins to turn inside out.

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.

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.

A middle grade novel starring Lando Calrissian and the droid L3-37, of an adventure they had when Lando was the captain of the Millennium Falcon.

Otto and Sheed are the local sleuths in their zany Virginia town, masters of unraveling mischief using their unmatched powers of deduction. And as the summer winds down and the first day of school looms, the boys are craving just a little bit more time for fun, even as they bicker over what kind of fun they want to have. That is, until a mysterious man appears with a camera that literally freezes time.