George's parents, who have always been wary of technology, warn him about their new neighbors: Eric is a scientist and his daughter, Annie, seems to be following in his footsteps. But when George befriends them and Cosmos, their super-computer, he finds himself on a wildly fun adventure, while learning about physics, time, and the universe. With Cosmos' help, he can travel to other planets and a black hole. But what would happen if the wrong people got their hands on Cosmos?

Everyone who wishes upon a star, or a candle, or a penny thrown into a fountain knows that you're not allowed to tell anyone what you've wished for. But even so, there is someone out there who hears it. In a magical land called the Haven lives a young fairy named Ophelia Delphinium Fidgets. Ophelia is no ordinary fairy - she is a Granter: one of the select fairies whose job it is to venture out into the world and grant the wishes of unsuspecting humans every day.

When and how did the universe begin? Why are we here? What is the nature of reality? Is the apparent “grand design” of our universe evidence of a benevolent creator who set things in motion—or does science offer another explanation? In The Grand Design, Stephen Hawking and Leonard Mlodinow present the most illuminating scientific thinking about these and other abiding mysteries of the universe, in nontechnical language marked by brilliance and simplicity.

Celebrate Christmas with one of the world's best-loved storytellers. In this collection there is mystery and magic, laughter and mischief, the joy of shared times and plenty of delicious food - many of the ingredients that have been delighting Enid Blyton's fans for more than 70 years.

For nearly a century, Victorian London relied on “climbing boys” - orphans owned by chimney sweeps - to clean flues and protect homes from fire. The work was hard, thankless, and brutally dangerous. Eleven-year-old Nan Sparrow is quite possibly the best climber who ever lived - and a girl. But when Nan gets stuck in a deadly chimney fire, she fears her time has come. Instead, she wakes to find herself in an abandoned attic. And she is not alone. Huddled in the corner is a mysterious creature - a golem - made from ash and coal. This is the creature that saved her from the fire.

Imagine being looked up and down and being valued as less than chair. Less than an ox. Less than a dress. Maybe about the same as a lantern. You, an object. An object to sell. In his gentle yet deeply powerful way, Ashley Bryan goes to the heart of how a slave is given a monetary value by the slave owner, tempering this with the one thing that can't be bought or sold - dreams.

This Junior Library Guild selection by Elise Broach is sure to become a favorite of all young sleuths. Sixth-grader Hero is captivated by the stories about her new home, especially the mystery of the missing million-dollar diamond and a 500-year-old necklace. As she searches for clues to their whereabouts she stumbles upon another perplexing question: Who was the real William Shakespeare?

When robot Roz opens her eyes for the first time, she discovers that she is alone on a remote, wild island. Why is she there? Where did she come from? And, most important, how will she survive in her harsh surroundings? Roz's only hope is to learn from the island's hostile animal inhabitants. When she tries to care for an orphaned gosling, the other animals finally decide to help, and the island starts to feel like home. Until one day, the robot's mysterious past comes back to haunt her....

When his father takes a new job in Massachusetts, Ben Moroney must leave behind his best friend Tony, a western banded gecko named Lenny, and worst of all, the Arizona desert home he has loved and explored. Ben’s adjustment to his new environment is not going well until he unexpectedly finds a kindred spirit in his eccentric fifth-grade science teacher, Mrs. Tibbets. She introduces him to the rare and elusive Eastern spadefoot toads that make their home on her rural property. When Ben discovers that Mrs. Tibbets’s land may be sold to developers, he knows he has to do something.

In honor of Madeleine L'Engle's 100th birthday, fans are invited to enjoy this archival audiobook, originally recorded in 1993 and newly restored! Listen to the voice of the author as Madeleine L'Engle reads her Newbery Medal-winning novel A Wrinkle in Time.

Follow the adventures of Zoey and her cat, Sassafras, with this collection of books one to six in the series. Each story features a new magical animal with a problem that must be solved using science. There isn’t a set formula for each book; Zoey sometimes needs to run experiments, while other times she needs to investigate a mystery, and yet other times she needs to do research. Zoey models how to keep a science journal through her handwritten entries in each story.

Before they were the Boxcar Children, Henry, Jessie, Violet, and Benny Alden lived with their parents on Fair Meadow Farm. Although times are hard, the Aldens are happy - “the best family of all,” Mama likes to say. One day, a blizzard hits the countryside, and a traveling family needs shelter. The Aldens take them in, and the strangers soon become friends. But things never stay the same at the farm, and the spring and summer bring events that will forever change their lives.

A New York Times best seller and USA Today best-selling book! From award-winning actor Neil Patrick Harris comes the magical first book in a new series with plenty of tricks up its sleeve. When street magician Carter runs away, he never expects to find friends and magic in a sleepy New England town. But like any good trick, things change instantly as greedy B.B. Bosso and his crew of crooked carnies arrive to steal anything and everything they can get their sticky fingers on.

From world-renowned historian and philosopher Yuval Noah Harari, the New York Times bestselling author of Sapiens, comes an exciting, brand-new audiobook for middle-grade listeners that looks at the early history of humankind.

While her classmates are jetting off to family vacations in exotic locales, Aru will be spending her autumn break at home, in the Museum of Ancient Indian Art and Culture, waiting for her mom to return from her latest archeological trip. Is it any wonder that she makes up stories about being royalty, traveling to Paris, and having a chauffeur? One day, three schoolmates show up at her doorstep to catch her in a lie. They don't believe her claim that the museum's Lamp of Bharata is cursed, and they dare Aru to prove it. Just a quick light, Aru thinks. She can get herself out of this.

Pi in the Sky stars Joss, the seventh son of the Supreme Overlord of the Universe, whose job is to deliver magical pies - ones that happen to hold the secrets of the cosmos. But when planet Earth suddenly disappears, Joss must figure out a way to bring it back - even if it means enlisting the help of an outspoken Earth girl named Annika.

Unlike the thousands converging at Moon Shadow to witness a total solar eclipse, Ally calls the isolated campground home. Bree shields herself in a cloak of good looks and popularity, but there is something within her no one suspects. And Jack, overweight and socially inept, finds himself on the verge of a startling possibility.

Twelve-year-old Daniel, the new kid in town, soon learns the truth about his nice - but odd - new friends: one can fly, another can turn invisible, yet another controls electricity. Incredible. The superkids use their powers to secretly do good in the town, but they’re haunted by the fact that the moment they turn thirteen, their abilities will disappear - along with any memory that they ever had them. Is a memory-stealing supervillain sapping their powers?

Ollie and Celia think they know what the life of an elf is supposed to be like: Make toys. Help Santa. Make more toys. Help Santa. Try out a new ice-cream flavor. Help Santa. But then Santa rocks the North Pole with a surprise announcement! He's decided this is going to be his last year in the Big Red Suit, and, instead of letting his oldest son - the unfortunately named Klaus Claus - take over, he's opening up the job to any Claus or elf who wants to apply.

Eleven-year-old Nikolas - nicknamed "Christmas" - has received only one toy in his life: a doll carved out of a turnip. But he's happy with his turnip doll, because it came from his parents, who love him. Then one day his father goes missing, and Nikolas must travel to the North Pole to save him. Along the way Nikolas befriends a surly reindeer, bests a troublesome troll, and discovers a hidden world of enchantment in the frozen village of Elfhelm.

The year is 1939. A secret society of extraordinary geniuses is about to share an incredible discovery with the world. A misguided enemy - half man, half machine - will stop at nothing to prevent the group from giving this forbidden knowledge to humanity. And a mother and son on vacation in New York City are handed a comic book infused with a secret code that will lead them straight into the crossfires of the conspiracy.

Somewhere on the frontier between thought and reality exists the Discworld, a parallel time and place that might sound and smell very much like our own, but which looks completely different. Particularly as it’s carried though space on the back of a giant turtle (sex unknown). It plays by different rules. But then, some things are the same everywhere. The Disc’s very existence is about to be threatened by a strange new blight: the world’s first tourist, upon whose survival rests the peace and prosperity of the land.

The Impossible Postal Express is no ordinary train. It's a troll-operated delivery service that runs everywhere from ocean-bottom shipwrecks to Trollville and to space. But when this impossible train comes roaring through Suzy's living room, her world turns upside down. After sneaking on board, Suzy suddenly finds herself deputy post master aboard the train and faced with her first delivery - to the evil Lady Crepuscula. Then, the package itself begs Suzy not to deliver him.

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.

Life is comfortable for 12-year-old T'Challa in his home of Wakanda, an isolated, technologically advanced African nation. When he's not learning how to rule a kingdom from his father - the reigning Black Panther - or testing out the latest tech, he's off breaking rules with his best friend, M'Baku. But as conflict brews near Wakanda, T'Challa's father makes a startling announcement: he's sending T'Challa and M'Baku to school in America.

Nicola Berry's life is turned upside down the day a man from another planet comes to Earth on a strange mission. He's looking for somebody to travel back to his home planet and convince their stuck-up princess not to turn Earth into her planet's giant garbage dump. When Nicola is chosen as the Earthling Ambassador, she's not sure that she's up to the task. Can Nicola and her friends save the planet in time? Or will the nasty Princess Petronella cover Earth in a galactic ton of garbage?

Author Kathleen Van Cleve delivers a promising debut with this magical novel. Eleven-year-old Polly Peabody lives on a farm like no other. It rains every Monday at 1:00 p.m., the crops taste like chocolate, the bugs can communicate, and Polly’s best friend is a rhubarb plant named Harry. But when the weekly downpours stop, and Polly’s brother grows ill, she must figure out how to make it rain again—or her family’s future could be destroyed.

Matt Cruse is a cabin boy on the Aurora, a huge airship that sails hundreds of feet above the ocean. One night he meets a dying balloonist who speaks of beautiful creatures drifting through the skies. It is only after Matt meets the balloonist's granddaughter that he realizes that the man's ravings may, in fact, have been true, and that the creatures are completely real and utterly mysterious.

A stunning modern-day fairy tale from acclaimed author Anne Ursu.... Once upon a time, Hazel and Jack were best friends. But that was before he stopped talking to her and disappeared into a forest with a mysterious woman made of ice. Now it's up to Hazel to go in after him. Inspired by Hans Christian Andersen's The Snow Queen, Breadcrumbs is a story of the struggle to hold on, and the things we leave behind.

Zoe Guire just talked to an elephant. Well, technically speaking, the elephant spoke to her, but either way it was weird and, as a rule, Zoe doesn't do weird. Except the thing is, when Zoe goes along on her mom's business trip to India, things get very weird, very quickly. Soon after she arrives, Zoe finds herself tagging alongside a kid named Zak, lost in a crazy city, with no money and no way home.