Jack is an ordinary kid who becomes a secret agent by night, thwarting evil all over the world as he searches for his missing brother, Max. Destination: United States. An eager young scientist has brought to life a dangerous flesh-eating dinosaur by crossing its DNA with that of his pet dog, Freddie. Can Secret Agent Jack Stalwart capture the dinosaur before it destroys New York City?

Temporarily retired from the GPF - Global Protection Force - and on family vacation, Jack Stalwart and his older brother, Max, are motivated to act when a band of thieves takes the Emerald Buddha from the Grand Palace in Bangkok. Without the help of the GPF, they're on their own. They're also up against one of the smartest and wealthiest villains they've ever faced. Can Jack and Max find Thailand's most precious statue before it's too late?

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.

Ben Ripley may only be in middle school, but he's already pegged his dream job: CIA or bust. Unfortunately for him, his personality doesn't exactly scream "secret agent". In fact Ben is so awkward, he can barely get to school and back without a mishap. Because of his innate nerdiness, Ben is not surprised when he is recruited for a magnet school with a focus on science - but he's entirely shocked to discover that the school is actually a front for a junior CIA academy.

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.

Scotland Yard’s new chief inspector Nicholas Drummond is on the first flight to New York when he learns his colleague, Elaine York, the "minder" of the Crown Jewels for the "Jewel of the Lion" exhibit at the Metropolitan Museum of Art, was found murdered. Then the centerpiece of the exhibit, the infamous Koh-i-Noor Diamond, is stolen from the Queen Mother’s crown. Drummond, American-born but raised in the UK, is a dark, dangerous, fast-rising star in the Yard who never backs down. And this case is no exception.

It's a simple story. Boy finds proof that reality is a computer program. Boy uses program to manipulate time and space. Boy gets in trouble. Boy flees back in time to Medieval England to live as a wizard while he tries to think of a way to fix things. Boy gets in more trouble. Oh, and boy meets girl at some point.

Everything I’d known about the world was a lie. On my thirteenth birthday, I, Alcatraz Smedry (yes, I got named after a prison, don’t ask), received my inheritance: a bag of sand. And then I accidentally destroyed my foster parents’ kitchen. It’s not my fault, things just break around me, I swear! I thought the sand was a joke until evil Librarians came to steal it. You’re probably thinking, “Librarians are nice people who recommend good books,” but that’s just what they want you to think!

Amy and Dan find themselves in a new global race but this time, everything’s different. Those closest to them might be working for the enemy, and Amy and Dan are forced to ask themselves how far they’re willing to go to save the kidnapped Cahills. How much can you risk when there’s no one to trust?

The globe-trotting thief in the red fedora returns! And now, the question isn't where—but who? In the role of Carmen Sandiego, award-winning performer Kyla Garcia reveals, for the very first time, the backstory of the ever-elusive master criminal whose whereabouts captured the imaginations of children everywhere—through educational video games, animated series, and a popular PBS "gameshow" for middle schoolers in the 1990s.

You will never read Denny Younger's name in any history book, will never know what he's done. But even if you did, you'd never believe it. The world as you know it wouldn't be the same without him. Denny was born into one of the lowest rungs of society, but his bleak fortunes abruptly change when the mysterious Upjohn Institute recruits him to be a Rewinder, a verifier of personal histories. The job at first sounds like it involves researching old books and records, but Denny soon learns it's far from it.

Marcus and his twin sister, Ellie, live in the loft above their grandparents' magic shop - the one all the rumors are about. Soon the children are thrown into a world that they never knew existed. Not only is the family business a front, but Marcus learns that he has been marked as a dead man from the time he was born.

The night her parents disappear, 12-year-old Robyn Loxley must learn to fend for herself. Her home, Nott City, has been taken over by a harsh governor, Ignomus Crown. After fleeing for her life, Robyn has no choice but to join a band of strangers - misfit kids, each with their own special talent for mischief. Setting out to right the wrongs of Crown's merciless government, they take their outlaw status in stride. But Robyn can't rest until she finds her parents.

How do you keep the people you care about safe from enemies you can’t remember? Ten years ago, Nate Garrett awoke on a cold warehouse floor with no memory of his past and the only clues to his identity were a piece of paper with his name on it and a propensity toward magic. Now he’s a powerful sorcerer and a successful thief for hire, but it turns out that those who stole his memories aren’t done with him yet. When they cause a job to go bad, threatening a sixteen-year-old girl, Nate swears to protect her.

The Cahill family has a secret. For five hundred years, they have guarded the 39 Clues - thirty-nine ingredients in a serum that transforms whomever takes it into the most powerful person on earth. If the serum got into the wrong hands, the disaster would rock the world. So certain Cahills have always made it their mission to keep the serum safe, buried, locked away. Until now. Thirteen-year-old Dan Cahill and his older sister, Amy, are the latest guardians of the Clues. They think they've done everything right, but a tiny mistake leads to catastrophe.

Imagine a school in the year 2074 where students don't read history, but watch it happen around them; where running in gym class isn't around a track, but up a virtual mountain; and where learning about animals means becoming one through an avatar. Welcome to Cragbridge Hall, the most advanced and prestigious school in the world. Twins Abby and Derick Cragbridge are excited as new students to use their famed grandfather's inventions that make Cragbridge Hall so incredible.

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....

Charlie Wilde knew her life would change forever when her family moved from the city of Chicago to the suburbs of Arizona...and that was before she found the bracelet. After putting it on, she notices odd things start to happen. Suddenly Charlie seems to have the speed of a cheetah and the strength of an elephant - and that's just the beginning. She would be thrilled about her transformation if she had any idea how to use the device or control her amazing powers.

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.

Meet Jake Oliver. The day will come when he's one of the best cleaners in the business, a man skilled at making bodies disappear. At the moment, however, he's a 22 year old rookie cop, unaware his life is about to change. In a burning barn a body is found--and the fire isn't the cause of death. The detectives working the case have a pretty good idea about what went down. But Officer Oliver thinks it's something else entirely, and pursues a truth others would prefer remain hidden - others who will go to extreme lengths to keep him quiet.

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.

Sixteen-year-old Callie lost her parents when the genocide spore wiped out everyone except those who were vaccinated first - the very young and very old. With no grandparents to claim Callie and her little brother, they go on the run, living as squatters, and fighting off unclaimed renegades who would kill for a cookie. Hope comes via Prime Destinations, run by a mysterious figure known only as The Old Man. He hires teens to rent their bodies to seniors, known as enders, who get to be young again.

A mysterious woven metal artifact is found at a paleontological dig in Africa. Mystified experts, confounded by the impossible timeline they get from traditional dating methods, call upon a stubborn young man with a unique talent. Matthew Turner's gift is also his curse: When he touches any object, his awareness is flooded with the thoughts and feelings of those who touched it before him. It is a talent that many covet, some fear, and almost no one understands.

When Amanda travels east to Orlando on a hunch, she's met with the worst news possible. Kingdom Keeper Finn Whitman is missing. Calling on her own gift (she's telekinetic), her sister Jess' ability to dream the future, and their fellow Fairlie Mattie Weaver's unexplained ability to read minds through physical contact, the three gifted girls must navigate treachery, deception, and the stubborn, unwilling parents of the missing Keepers if they're to save their friends.

The first day at a new school is tough for any kid, but it's especially scary when you're going to a school for spies. Cammie Morgan has spent her whole life dreaming of becoming a Gallagher Girl, but she has no idea what she’ll face when she arrives at The Gallagher Academy for Exceptional Young Women. Secret passages? Check. Lab experiments that might make you lose your eyebrows (and other body parts)? Check. Classmates who are the smartest, strongest, most intimidating girls in the world? Double check.

After losing her mother to a terrorist attack, Alexandra Poe was devastated when her father - disgraced and accused of treason - disappeared from the face of the earth. Now, over ten years and a stint in Iraq later, Alex is approached by a man who has information about her father and wants to help her find him. But there's a catch.

The Seven Wonders adventures continue in this bind-up of The Select and The Orphan. The Select tells the story of thirteen-year-old Burt Wenders, the first documented carrier of the G7W gene, and his fated voyage to the island that would eventually come to house the Karai Institute. In The Orphan, learn the story of Daria, orphaned at a young age and enslaved by the Babylonians, and her valiant battle to escape the only city she's ever called home. These titles are together for the first time ever.

The Whippet Hotel is a strange place full of strange and mysterious people. Each floor has its own quirks and secrets. Leo should know most of them - he is the maintenance man's son, after all. But a whole lot more mystery gets thrown his way when a series of cryptic boxes are left for him... boxes that lead him to hidden floors, strange puzzles, and unexpected alliances. Leo had better be quick on his feet, because the fate of the building he loves is at stake... and so is Leo's own future!

Cities all around the world reported strange alien vessels descending. Some saw them as the heralds of a new age; others fired everything they had at them. All were taken as the beams lashed down and drew them into the sky. Dean was left behind, seemingly the last man on Earth. A trail of clues left by his dead wife guides Dean on a perilous journey across America and beyond to learn the truth behind the mysterious ships and save humanity from its doom.

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.