Mostrando títulos en Ciencia Ficción

Sam Miracle's life is made up of dreams - dreams where he's a courageous, legendary hero instead of a foster kid with two bad arms that can barely move. Sometimes these dreams feel so real, they seem like forgotten memories. And sometimes they make him believe that his arms might come alive again. But Sam is about to discover that the world he knows and the world he imagines are separated by only one thing: time. And that separation is only an illusion.

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?

Jack, his genius siblings Ava and Matt, and inventor Dr. Hank Witherspoon travel to the Hawaiian island home of Ashley Hawking, a technology billionaire. Hawking and engineer Rosa Morris have built a revolutionary electricity plant that harvests energy from the deep ocean, but someone has been sabotaging the project. In their search for the culprit, Jack and crew navigate an unusual world of characters and suspects, including Hawking and her obnoxiously intelligent son.

After a few early glitches in their relationship, Sammy and his "bro-bot" E are now fast friends. In fact E is such a valued member of the family that the other electronic occupants of the House of Robots are feeling sorely unappreciated. And when Sammy's inventor mom becomes distracted by a top-secret project, the robots soon begin to fall into disrepair.

It was a warm summer day in 1951 when Rose Pottinger and Mrs. Zimmermann entered the tunnel. When they had emerged, it was snowing...and the year was 1828. Mrs. Zimmermann had felt that the ghost of Granny Wetherbee, who had taught Mrs. Zimmermann witchery, was in trouble and needed help. So she and Rose Rita had traveled to Pennsylvania where Granny had lived. They never dreamed that they would also journey back to a time long ago where they would encounter a sorcerer more terrifying than either could have imagined.

Trenton Colman is exceptionally creative, with a knack for all things mechanical. But his talents are viewed with suspicion in Cove, a steam-powered city built inside a mountain. In Cove, creativity is a crime, and invention is a curse word.

Jack and Annie are off on another adventure! This time they are sent to ancient Greece, where a very important event is taking place. Join them as they race against time and witness the very first Olympic Games!

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!

Lacey Chu has always dreamed of working as an engineer for MONCHA, the biggest tech firm in the world and the company behind the "baku" - a customizable "pet" with all the capabilities of a smartphone. But when Lacey is rejected by the elite academy that promises that future, she's crushed. One night, Lacey comes across the broken form of a highly advanced baku. After she repairs it, the cat-shaped baku she calls Jinx opens its eyes and somehow gets her into her dream school. But Jinx is different than any other baku she's ever seen.... He seems real.

Ricky and his Mighty Robot have made a mess. They've been mean to Cousin Lucy, and now they must make it up to her. But their surprise present for Lucy turns into a trap when President Penguin from Pluto plots to take over Earth. President Penguin is peeved because Pluto is no longer considered a real planet. Now he plans to make things very unpleasant for anyone who stands in his way. Can Ricky, Lucy, and their friends defeat this tiny terror and keep Squeakyville safe?

Billions of years ago, on one of the first-ever Earths, a boy named Skylar will walk away from his home for the last time. Beset by dreams where he flies through the early universe as a sentient starship, he will never be safe if his secret gets out. His only chance to stay alive is to fall in with the same knights who destroyed his peasant village and live under the shadow of the king who sent them to exterminate Skylar’s people.

Nationally syndicated radio talk-show host Rush Limbaugh has long wanted to make American history come to life for the children of his listeners. In Rush Revere and the Brave Pilgrims, he created the character of a fearless middle-school history teacher named Rush Revere, who travels back in time and experiences American history as it happens, in adventures with exceptional Americans. In this second book in the series, Rush Revere is transported back to the people and events leading up to the American Revolution.

Ricky and his mighty robot have built the coolest fort Squeakyville has ever seen, and they can't wait for the fun to begin! But then Cousin Lucy arrives with her pets and plans to turn it into a princess castle - what a party pooper! Things completely fall apart when Nimrod Nightcrawler, a wicked worm from the planet Neptune, digs a tunnel under Ricky's fort, trapping the mighty robot. Now it's up to Ricky and Lucy to put a stop to this nightmare - and save their friend!

The first time I heard about Planet Choom, we'd been on Mars for almost a year. But life on the Mars station was grim, and since Earth was no longer an option (we may have blown it up), it was time to find a new home. That's how we ended up on Choom with the Zhuri. They're very smart. They also look like giant mosquitos. But that's not why it's so hard to live here. The Zhuri don't like us. And if humankind is going to survive, it's up to my family to change their minds. No pressure.

Middle school supervillain Penny Akk has defeated every challenge thrown against her. She has bested heroes, villains, weirdos who can't make up their minds, robots, aliens, friends, rivals, enemies, natural disasters, secret admirers, and her own shyness. Now she has only one opponent left. Her own super power... and the other Penny who stole it.

Relive the excitement of Rogue One: A Star Wars Story with this action-packed retelling! The Rebel Alliance has learned of the existence of a terrifying Imperial weapon, capable of destroying entire planets: the Death Star. The fate of the galaxy rests on the courageous young woman Jyn Erso and her band of unlikely companions as they race to steal the plans to the Death Star before time runs out.

Liam Saunders-Chang is one of the last humans left on Mars. The son of two scientists who have been racing against time to create technology vital to humanity's survival, Liam, along with his friend Phoebe, will be on the last starliner to depart before Mars, like Earth before it, is destroyed. Or so he thinks. Because before this day is over, Liam and Phoebe will make a series of profound discoveries about the nature of time and space and find out that the human race is just one of many in our universe locked in a dangerous struggle for survival.

Stosh thought he was finished traveling back in time. But then Ralph Branca shows up in his room one night, begging for Stosh's help. In 1951, Branca pitched a ball to Bobby Thomson that would become the "Shot Heard Round the World", a home run that won the National League pennant for the New York Giants and changed the lives of Branca and Thomson forever. Branca says the Giants were cheating, and he needs Stosh to use his power with baseball cards to go back in time and set things right.

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.

Dave and his friends finally reach Bedrock City, the ancient settlement where they hope to find an end portal.