Showing titles in Science Fiction

On a desperate journey to recover her sister's lost soul, Valkyrie Cain goes up against the High Sanctuary itself, and there's nothing Skulduggery Pleasant can do to stop her.

With the defeat of the Overtakers behind them, the five teenagers known as the Kingdom Keepers should be celebrating. By all accounts they saved Disneyland from certain destruction. Why then did their mentor leave one last puzzle for them to decipher? The Keepers must solve a puzzle of the past, or be crushed under an evil that makes the Overtakers seem like gentle souls.

Thirteen-year-old Aluna has lived her entire life under the ocean, just like all of the Coral Kampii in the City of Shifting Tides. But after remaining hidden from the Above World for centuries, her colony is in trouble, its survival in doubt :  the tech that allows the Kampii to breathe underwater is beginning to fail, and many Kampii have already died. Yet the colony’s elders, including Aluna’s father, are unwilling to venture to the dry and dangerous Above World to search for answers. So it’s up to Aluna and her friend Hoku to face the terrors of land to find a solution.

Garbage comes to life as animated creatures called junklets, wreaking havoc in elementary schools. Specially trained kids from the magical School of Garbage are sent to stop the rise of the trash monsters. With the school’s magical janitorial supplies—brooms that can fly, toilet plungers that can reverse gravity, and mops that can capture anything in their strings—the ordinary becomes extraordinary.

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.

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!

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?

The Animorphs have met the Ellimist. He helped to save the kids when they were about to be eaten by a Taxxon. He helped to free two Hork-Bajir and restored Tobias's morphing ability. But even though the Ellimist has enormous power, he is not all powerful.

Centuries ago, Earth's plants turned deadly, and humanity took to space to cultivate new homes. Myra Hodger is in her first year at an elite school on the Moon, and she's crumbling under the pressure. She doesn't fit in, and worse, the tattoos that signal her Number Whisperer magic aren't developing. In her heart, she knows she doesn't have a Creer, and soon everyone else will, too. Wandering the halls while cutting class, she discovers a secret lab hidden behind one of the unused classrooms and, beyond that, a secret garden overflowing with plants. Dangerous toxic plants.

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!

It's August 1999. For twelve-year-old Michael Rosario, life at Fox Run Apartments in Red Knot, Delaware, is as ordinary as ever—except for the looming Y2K crisis and his overwhelming crush on his fifteen-year-old babysitter, Gibby. But when a disoriented teenage boy named Ridge appears out of nowhere, Michael discovers there is more to life than stockpiling supplies and pining over Gibby.

For over 400 years, the world has been a barren wasteland. The few humans that survive scrape together an existence in the cruel city of Pocatel—or go it alone in the wilderness beyond, filled with wandering spirits and wyrms. They don’t last long. 13-year-old pickpocket Leandro and his sister Gabi do what they can to forge a life in Pocatel. The city does not take kindly to Cascabeles like them—the descendants of those who worked the San Joaquin Valley for generations.

One hundred years ago, Dies Drear and two runaway slaves hiding in his house, an important station on the Underground Railroad, were murdered. Legend has it that the ghost of Mr. Drear still haunts the lonely old house. But Thomas Small’s father, a Civil War history professor, doesn’t believe the legends and buys the house. The house is fascinating, thinks Thomas, and it is filled with hidden doorways and secret passages that he can’t wait to explore.

Eleven-year-old Reuben spends his days exploring, hiding, and practicing parkour among the abandoned buildings of the Lower Downs as a way to escape the rough times that have befallen him and his mom - but his discovery of an extraordinary antique pocket watch changes everything. When Reuben finds that the watch has the power to turn him invisible, he's propelled on the adventure of a lifetime. Now Reuben is being pursued by a group of dangerous men called the Directions, and someone - or something - ominously called The Smoke.

A flash of lightning, quivering ground, and, instead of her grandparents' farm, Polly sees mist and jagged mountains - and coming toward her, a group of young men carrying spears. Why has a time gate opened and dropped Polly into a world that existed 3,000 years ago? Will she be able to get back to the present before the time gate closes - and leaves her to face a group of people who believe in human sacrifice?

Greg Rich should feel invincible. After all, he’s traveled through time, become one of the legendary Musketeers, and - most recently - prevented the Spanish army from attacking Paris. Instead, he and his friends are languishing in prison, having fallen into a trap set by Milady and the prince of Condé. But Greg didn’t come to the 17th century to sit in a jail cell and await execution. He, Aramis, Athos, and Porthos need to get to King Louis, who is in immediate danger of being overthrown by the scheming prince.

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.

Eccentric billionaire Miss Z is sending Luke, Julia, David, and Isabel on another mission back in time to capture one of history’s most important events. This time, the Flashback Four are headed to AD 79 to photograph the eruption of Mount Vesuvius! Can the Flashback Four get their photo and get back home before they become ancient history? The Pompeii Disaster tells the story of one of the world’s most devastating natural disasters like you’ve never seen it before.

When Finn and Rey find themselves on the run, they must work together to escape from the evil First Order. Listen as the action unfolds in this exciting Star Wars audio story!

Famed inventor Henry "Hank" Witherspoon has gone missing, and it's up to Jack and his brilliant siblings, Ava and Matt, to find him. At Hank's ransacked lab, the siblings discover clues to the project he's been working on - a new way to generate and store electricity, inspired by the electric eels of the Amazon.