Melanie Gate is a foundling with a peculiar talent for opening the unopenable—any lock releases at the touch of her hand. One night, her orphanage is visited by Traveler, a gearling automaton there on behalf of his magical mistress, who needs an apprentice pronto. When Melanie is selected because of her gift, her life changes in a flash, and in more ways than she knows—because Traveler is not at all what he seems. But then, neither is Melanie Gate.

Twelve-year-old Percy Jackson is about to be kicked out of boarding school...again. No matter how hard he tries, he can't seem to stay out of trouble. But can he really be expected to stand by and watch while a bully picks on his scrawny best friend? Or not defend himself against his pre-algebra teacher when she turns into a monster and tries to kill him? Of course, no one believes Percy about the monster incident; he's not even sure he believes himself.

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.

Living in the luxurious Arcanum building—with its interior balconies perfect for playing tag, an elevator like an iron birdcage, and quirky neighbors behind every apartment door—has always been fun and games for twelve-year-old Minerva Keen…until her neighbors start getting poisoned. Anyone could be next, and everyone is a suspect, including Minerva herself. To clear her name and help the police crack the case, Minerva starts her own detective club.

The hardscrabble folks of Troublesome Creek have to scrap for everything - everything except books, that is. Thanks to Roosevelt's Kentucky Pack Horse Library Project, Troublesome's got its very own traveling librarian, Cussy Mary Carter. Cussy's not only a book woman, however, she's also the last of her kind, her skin a shade of blue unlike most anyone else. Not everyone is keen on Cussy's family or the Library Project, and a Blue is often blamed for any whiff of trouble.

There are twelve kids in the seventh grade at Fawn Creek Middle School. They’ve been together all their lives. And in this small factory town where everyone knows everything about everyone, that’s not necessarily a great thing.

Fifteen years ago, eight supernatural criminals fled Estero City to make a new life in an isolated tropical hideout. Over time, seven of them disappeared without a trace, presumed captured or killed. And now, the remaining one has died. Left behind to fend for themselves are the criminals’ five children, each with superpowers of their own: Birdie can communicate with animals. Brix has athletic abilities and can heal quickly. Tenner can swim like a fish and can see in the dark and hear from a distance. Seven’s skin camouflages to match whatever is around him.

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.

Eleven-year-old Sam Brattle is already having the worst Christmas ever - his dad's bakery is going bankrupt and his mom is spending the holidays with her new family. To make things worse, Nickel Bay Nick, the anonymous Good Samaritan who leaves hundred dollar bills around Nickel Bay at Christmastime, is a no-show, so this year the rest of the town is as miserable as Sam. When he stumbles upon the secret identity of this mysterious do-gooder, Sam is stunned to learn that he might now be his town's only hope.

Welcome to the Sweet Tooth Ice Cream & Candy Shoppe, where the confections are a bit on the... unusual side. Rock candy that makes you weightless. Jawbreakers that make you unbreakable. Chocolate balls that make you a master of disguise. Four young friends - Nate, Summer, Trevor, and Pigeon - meet the grandmotherly Mrs. White, owner of the Sweet Tooth, and soon learn about the magical side effects of her candies.

Cruz Coronado leaves his tranquil home in Hawaii to join 23 talented kids from around the globe to train at the Explorer Academy with the world's leading scientists to become the next generation of great explorers. But for Cruz, there's more at stake. No sooner has he arrived at the Academy than he discovers that his family has a mysterious past with the organization that could jeopardize his future. In the midst of codebreaking and cool classes, new friends, and augmented reality expeditions, Cruz must tackle the biggest question of all: Who is out to get him, and why?

Pirate fever sweeps through the town after an opportunistic treasure hunter shows up looking to lay claim to Blackbeard's lost gold buried somewhere in Tupelo Landing. When the (probably) world-famous Desperado Detectives - Mo and Dale and Harm - are hired by Mayor Little's mother to find the pirate loot for her, and the high-stakes race for riches is on! But that's not the only treasure hunt in town. Mo LoBeau unearths shocking new clues that may lead to her long-lost Upstream Mother - in the riskiest, scariest, and possibly richest case of her life.

The marshals are looking for the perfect girl to join a mother, father, and son on the run from the nation's most notorious criminals. After all, the bad guys are searching for a family with one kid, not two, and adding a streetwise girl who knows a little something about hiding things may be just what the marshals need. Nicki swears she can keep the Trevor family safe, but to do so she'll have to dodge hit men, cyberbullies, and the specter of standardized testing, all while maintaining her marshal-mandated B-minus average.

It was 1798 when the Morningstarr twins arrived in New York with a vision for a magnificent city: towering skyscrapers, dazzling machines, and winding train lines, all running on technology no one had ever seen before. Fifty-seven years later, the enigmatic architects disappeared, leaving behind for the people of New York the Old York Cipher - a puzzle laid into the shining city they constructed, at the end of which was promised a treasure beyond all imagining.

For 12-year-old Emily, the best thing about moving to San Francisco is that it's the home city of her literary idol: Garrison Griswold, book publisher and creator of the online sensation Book Scavenger (a game where books are hidden in cities all over the country and clues to find them are revealed through puzzles). Upon her arrival, however, Emily learns that Griswold has been attacked and is now in a coma, and no one knows anything about the epic new game he had been poised to launch.