"Are you a gifted child looking for special opportunities?" Dozens of children respond to this peculiar ad in the newspaper and are then put through a series of mind-bending tests, which readers take along with them. Only four children—two boys and two girls—succeed. Their challenge: to go on a secret mission that only the most intelligent and inventive children could complete. To accomplish it they will have to go undercover at the Learning Institute for the Very Enlightened, where the only rule is that there are no rules.

Sara Martinez is a hacker. She recently broke into the New York City foster care system to expose her foster parents as cheats and lawbreakers. However, instead of being hailed as a hero, Sara finds herself facing years in a juvenile detention facility and banned from using computers for the same stretch of time. Enter Mother, a British spy who not only gets Sara released from jail but also offers her a chance to make a home for herself within a secret MI5 agency. Operating out of a base in Scotland, the City Spies are five kids from various parts of the world.

Heather and Picket are extraordinary rabbits with ordinary lives until calamitous events overtake them, spilling them into a cauldron of misadventures. They discover that their own story is bound up in the tumult threatening to overwhelm the wider world.

The mice of Brambly Hedge have many adventures but they always have time for fun too. All through the year, they mark the seasons with feasts and festivities and, of course, the mice never miss an opportunity to meet and celebrate. This collection contains four classic stories following their adventures throughout the year.

Harry Potter has never even heard of Hogwarts when the letters start dropping on the doormat at number four, Privet Drive. Addressed in green ink on yellowish parchment with a purple seal, they are swiftly confiscated by his grisly aunt and uncle. Then, on Harry's eleventh birthday, a great beetle-eyed giant of a man called Rubeus Hagrid bursts in with some astonishing news: Harry Potter is a wizard, and he has a place at Hogwarts School of Witchcraft and Wizardry. An incredible adventure is about to begin!

From the New York Times best-selling creator of the Vanderbeekers series comes a triumphant tale of friendship, healing, and the power of believing in ourselves told from the perspective of biracial sixth-graders June and Tyrell, two children living in a homeless shelter. As their friendship grows over a shared love of classical music, June and Tyrell confront a new housing policy that puts homeless families in danger.

The four Melendy children live with their father and Cuffy, their beloved housekeeper, in a worn but comfortable brownstone in New York City. There's thirteen-year-old Mona, who has decided to become an actress; twelve-year-old mischievous Rush; ten-year-old Randy who loves to dance and paint; and thoughtful Oliver, who is just six-years-old.

For Hart Evans, being the most popular fifth grader has its advantages: kids look up to him and teachers let him get away with everything. But during one choir practice, Hart zones out too far, accidentally flinging a rubber band at his teacher. Mr. Meinert realizes that if Hart is ever going to discover his musical potential, his punishment must march to a different drummer.

It's the turn of the 20th century in New York's Lower East Side and a sense of adventure and excitement abounds for five young sisters. Follow along on their adventures and experience their holiday fun.

Alex and Conner Bailey's world is about to change in this fast-paced adventure that uniquely combines our modern day world with the enchanting realm of classic fairy tales. The Land of Stories tells the tale of twins Alex and Conner. Through the mysterious powers of a cherished book of stories, they leave their world behind and find themselves in a foreign land full of wonder and magic where they come face-to-face with fairy tale characters they grew up reading about.

Mrs. Piggle-Wiggle has gone away unexpectedly and left her niece, Missy Piggle-Wiggle, in charge of the Upside-Down House and the beloved animals who live there: Lester the pig, Wag the dog, and Penelope the parrot, among others. Families in town soon realize that like her great-aunt, Missy Piggle-Wiggle has inventive cures for all sorts of childhood (mis)behavior: The Whatever Cure and the Just-a-Minute Cure, for instance. What is a stressed out parent to do? Why, call Missy Piggle-Wiggle, of course!

Maeve Merritt chafes at the rigid rules at her London boarding school for “Upright Young Ladies.” When punishment forces her to sort through the trash, she finds a sardine tin that houses a foul-tempered djinni with no intention of submitting to a schoolgirl as his master. Soon an orphan boy from the charitable home next door, a mysterious tall man in ginger whiskers, a disgruntled school worker, and a take-no-prisoners business tycoon are in hot pursuit of Maeve and her magical discovery.

They have always scared him in the past - the Rangers, with their dark cloaks and shadowy ways. The villagers believe the Rangers practice magic that makes them invisible to ordinary people. And now 15-year-old Will, always small for his age, has been chosen as a Ranger's apprentice. What he doesn't yet realize is that the Rangers are the protectors of the kingdom. Highly trained in the skills of battle and surveillance, they fight the battles before the battles reach the people. And as Will is about to learn, there is a large battle brewing.

Twelve-year-old Sophie has never quite fit into her life. She’s skipped multiple grades and doesn’t really connect with the older kids at school, but she’s not comfortable with her family, either. The reason? Sophie’s a Telepath, someone who can read minds. No one knows her secret - at least, that’s what she thinks.... But the day Sophie meets Fitz, a mysterious (and adorable) boy, she learns she’s not alone. He’s a Telepath too, and it turns out the reason she has never felt at home is that, well...she isn’t. Fitz opens Sophie’s eyes to a shocking truth....

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.

One hilarious Harlem family is on a mission to find the perfect way to celebrate their Papa's 40th birthday while discovering more about their mysterious grandparents in this heartfelt romp and latest installment to the New York Times best-selling series.

It is 1940 and William, 12, Edmund, 11, and Anna, nine, aren't terribly upset by the death of the not-so-grandmotherly grandmother who has taken care of them since their parents died. But the children do need a guardian, and in the dark days of World War II London, those are in short supply, especially if they hope to stay together. Could the mass wartime evacuation of children from London to the countryside be the answer?

This summer the Penderwick sisters have a wonderful surprise: a holiday on the grounds of a beautiful estate called Arundel. Soon they are busy discovering the summertime magic of Arundel's sprawling gardens, treasure-filled attic, tame rabbits, and the cook who makes the best gingerbread in Massachusetts. But the best discovery of all is Jeffrey Tifton, son of Arundel's owner, who quickly proves to be the perfect companion for their adventures.

It's wintertime at Greenglass House. The creaky smuggler's inn is always quiet during this season, and 12-year-old Milo, the innkeepers' adopted son, plans to spend his holidays relaxing. But on the first icy night of vacation, out of nowhere, the guest bell rings. Then rings again. And again. Soon Milo's home is bursting with odd, secretive guests, each one bearing a strange story that is somehow connected to the rambling old house.

A young girl delights in her grandmother's stories of days gone by. Sparked by keepsakes and simple questions, Grandma shares marvelous stories of mischief, discovery, and laughter, such as the time she accidentally lost the family buggy.

Father has suddenly and mysteriously disappeared. Now Mother has moved Roberta, Peter, and Phyllis from London to an old English country house. Missing the hustle and bustle of the city, the children are ecstatic to find that their new home is near a railway station. Making friends with both the porter and the station master is great fun. So is waving to a kindly old gentleman who rides through on the 9:15 every morning. When mother gets sick, it is he to whom they turn for help. And later, when a fortunate twist of fate returns their father to them, they are surprised to find the old gentleman involved once again.

Mrs. Frisby, a widowed mouse with four small children, is faced with a terrible problem. She must move her family to their summer quarters immediately, or face almost certain death. But her youngest son, Timothy, lies ill with pneumonia and must not be moved. Fortunately, she encounters the rats of NIMH, an extraordinary breed of highly intelligent creatures, who come up with a brilliant solution to her dilemma.

Miss Posterity's Academy for Practical Magic is the best kindling school in New York City - and wealthy 12-year-old Emma Harris is accustomed to the best. But when her father dies, leaving her penniless, Emma is reduced to working off her debts to Miss Posterity alongside Izzy, a daring servant girl who refuses to let her magic be snuffed out, even if society dictates she must. Emma and Izzy reluctantly form a pact: If Izzy teaches Emma how to survive as a servant, Emma will reveal to Izzy what she knows about magic.

Peter, Mary, and Hank journey to the pyramid-studded desert of ancient Egypt. When the trio become friends with Pharaoh's daughter, they witness first-hand as Moses petitions Pharaoh for the Israelites' freedom. Plagues wreak havoc as the group races to decode the scroll, gets chased by a panther, and battles Pharaoh's cunning advisor, the Great Magician.

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.

Every morning in the Japanese town of Shibuya, Professor Ueno awakens and is greeted by his loyal Akita dog, Hachiko. They enjoy a breakfast together before the professor leaves to catch the train to the school where he teaches. And Hachiko sits at the station eagerly awaiting his master’s return. Then one afternoon Professor Ueno does not return. And Hachiko waits. Days and weeks pass and still no one - not even the young boy Yasuo who comes to care for him - can persuade the faithful dog to leave his post. Years go by and yet still he waits.

Eleven-year-old Charlie Reese has been making the same secret wish every day since fourth grade. But when she is sent to the Blue Ridge Mountains of North Carolina to live with family she barely knows, it seems unlikely that her wish will ever come true. That is until she meets Wishbone, a skinny stray dog who captures her heart, and Howard, a neighbor boy who proves surprising in lots of ways. Suddenly Charlie is in serious danger of discovering that what she thought she wanted may not be what she needs at all.

Johnny had been Mr. Lapham's star pupil, a clever, industrious apprentice silversmith. But when Johnny seriously burns his hand in a furnace, he finds himself crippled and with no means of taking care of himself. Soon, trouble reaches Johnny's life in a new way. Swept along in the tide of events leading to the Boston Tea Party and the first skirmishes of Lexington and Concord, Johnny finds a job as message-carrier for the Sons of Liberty. As young and old men alike make sacrifices for a new country, Johnny prepares to take his own stand in the cause for freedom.

Mary Lennox starts her life as an unhappy victim of circumstance. After the loss of her parents, she moves to rural Yorkshire to live with a distant uncle where she resents the wildness of the countryside. At first, she struggles to find a place in this new existence. Although unsure about her surroundings and its occupants, through the gentle guidance of the maid she gradually becomes interested in the story of Mrs Craven, who apparently used to spend her time in a garden at the house, the key to which has vanished.

From the New York Times best-selling creator of the Vanderbeekers series comes a triumphant tale of friendship, healing, and the power of believing in ourselves told from the perspective of biracial sixth-graders June and Tyrell, two children living in a homeless shelter. As their friendship grows over a shared love of classical music, June and Tyrell confront a new housing policy that puts homeless families in danger.