In Dinosaurs Before Dark, adventure is waiting to happen! Jack and his younger sister, Annie, stumble upon a tree house filled with books. Where did the tree house come from? How long has it been there? When Jack reads a book about the Cretaceous period, 65 million years ago, and wishes he could really see the pteranodon, it suddenly appears at his window. Magically. Before Jack and Annie can figure out the mystery, the tree house whisks them back to the prehistoric past.

Inspired by the Celtic legend and the spirit of the imagination, Christmas in Camelot is Mary Pope Osborne's gift to young listeners everywhere. It begins with a simple invitation to spend Christmas Eve in Camelot, a magical place that exists only in myth and fantasy. What Jack and Annie don't know is that the invitation will send them on a quest to save Camelot itself, not from destruction, but from being forgotten forever.

The first Magic Tree House® Super Edition - and Jack and Annie's most dangerous mission ever in the scariest time the world has ever known: World War II. With a longer story and additional facts, this is a thrilling adventure no listener will want to miss!

In the first book in this series, eight-year-old Drake is snatched up by King Roland's soldier and taken to the castle. He is to be trained as a Dragon Master. At the castle, he is joined by three other young Dragon Masters-in-training: Ana, Rori, and Bo. The Dragon Masters must learn how to connect with and train their dragons - and they must also uncover their dragons' special powers.

Rebekah Daniels is always excited about something. Most of the time, it's anything at all to do with solving a mystery. Now, she's super excited to be going to a brand-new school with her best friend, Mouse. But so far, her first day isn't starting out so well. She really couldn't help running into the janitor, because how would she get to class in time without running? But, the bigger question remains.... That janitor had shown up in the hall out of nowhere! Rebekah is sure of it. So, now she has her first fifth-grade mystery to solve, and it's a big one!

Noah, his sister Megan, and their best friends, Richie and Ella, live next door to the zoo. Megan is the first to notice the puzzling behavior of some of the animals. One day Megan disappears, and her brother and their friends realize it’s up to them to find her. Their only choice is to follow a series of clues and sneak into the zoo. But once inside, will they discover there’s much more to the Clarksville City Zoo than they could ever have guessed?

What would happen if you discovered that your family was one of the most powerful in human history? What if you were told that the source of the family's power was hidden around the world, in the form of 39 Clues? What if you were given a choice - take a million dollars and walk away...or get the first Clue? If you're Amy and Dan Cahill, you take the Clue - and begin a very dangerous race.

The city of Ember was built as a last refuge for the human race. Two hundred years later, the great lamps that light the city are beginning to flicker. When Lina finds part of an ancient message, she's sure it holds a secret that will save the city. She and her friend Doon must decipher the message before the lights go out on Ember forever! This stunning debut novel offers refreshingly clear writing and fascinating, original characters.

Bobby Pendragon is a seemingly normal 14-year-old boy. He has a family, a home, and even Marley, his beloved dog. But there is something very special about Bobby: he is going to save the world.

And not just Earth as we know it. Bobby is slowly starting to realize that life in the cosmos isn't quite what he thought it was. And before he can object, he is swept off to an alternate dimension known as Denduron, a territory inhabited by strange beings, ruled by a magical tyrant, and plagued by dangerous revolution.

Seventeen-year-old Cardinal has escaped the virus that ravaged his town, leaving its victims alive but without their memories. Choosing to remain in the quarantined zone, he cares for a group of orphaned kids in a mountain camp with the help of the former brutal school bully, now transformed by the virus into his best friend. But then a strong-willed and mysterious young woman appears, and the closed-off world Cardinal has created begins to crumble.

Arthur Penhaligon is not supposed to be a hero. He is, in fact, supposed to die an early death. But then his life is saved by a key shaped like the minute hand of a clock.

It's the height of World War II. Michael O'Shaunessey, son of the Irish ambassador to Nazi Germany, lives with his family in Berlin. But Michael, like his parents, is a spy. He joins the Hitler Youth, taking part in their horrific games and book burning, despising everything they stand for but using his insider knowledge to bring important information back to his parents and the British Secret Service. When Michael is tasked to find out more about Projekt 1065, a secret Nazi mission, things get even more complicated.

Fourteen-year-old Ozzy lives near Portland, Oregon, and is desperate for help. His scientist parents have been kidnapped after discovering a formula that enables mind control. Their work was so top secret that Ozzy is afraid to go to the police, but without help, he fears he'll never find his parents. Then he stumbles across a classified ad in the local newspaper that says "Wizard for Hire. Call 555-SPEL." Ozzy has read about wizards in books like Harry Potter, but wizards couldn't exist today, could they? After Ozzy meets the wizard Labyrinth - a.k.a. Rin - he's even more skeptical.

Thirteen-year-old Caroline and her father have lived for four years on the outskirts of Portland, Oregon, in Forest Park. He has homeschooled her using encyclopedias and books from the library while also teaching her a rigid code of behavior that enables them to survive in this wilderness. Yet one small mistake allows the authorities to discover them. Their forced relocation to a horse farm outside of the city becomes only a brief respite to their deeper flight from a world that can't understand them.

Almost everybody who has grown up in Chicago knows about the Thorne Rooms. Housed in the Children’s Galleries of the Chicago Art Institute, they are a collection of 68 exquisitely crafted miniature rooms made in the 1930s by Mrs. James Ward Thorne. Each of the 68 rooms is designed in the style of a different historic period, and every detail is perfect, from the knobs on the doors to the candles in the candlesticks. Some might even say, the rooms are magic....