Olive Cobin Zang has . . . issues. And they mostly aren’t her fault. (No, really!) Though she often slips under the radar, problems have a knack for finding her. So, imagine her doubts when she’s suddenly dropped off at the strangest boarding school ever: a former castle turned prison that's now a “reforming arts school”!

Siblings Alex and Zoe Sherlock take their last name as inspiration when choosing a summer job. After all, starting a detective agency has to be better than babysitting (boring), lawn mowing (sweaty), or cleaning out the attic (boring and sweaty). Their friends Lina, an avid bookworm, and Yadi, an aspiring cinematographer, join the enterprise, and Alex and Zoe’s retired reporter grandfather offers up his sweet aquamarine Cadillac convertible and storage unit full of cold cases. The group’s first target is the long-lost treasure supposedly hidden near their hometown Miami.

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.

Seven students are about to have their lives changed by one amazing teacher in this school story sequel. It’s the start of a new year at Snow Hill School, and seven students find themselves thrown together in Mr. Terupt’s fifth grade class. There’s...Jessica, the new girl, smart and perceptive, who’s having a hard time fitting in; Alexia, a bully, your friend one second, your enemy the next; Peter, class prankster and troublemaker; Luke, the brain; Danielle, who never stands up for herself; shy Anna, whose home situation makes her an outcast; and Jeffrey, who hates school.

Dexter Foreman is twelve going on eighty. He has lived at The Pines retirement village with his grandmother since he was six years old, and as a result he gets along better with senior citizens than kids his own age. He's homeschooled by the residents up until the day the county’s truancy officer shows up and announces that Dex has to go to a “real” school, to the local middle school. At school, Dex sticks out like a sore thumb. He dresses like a grandpa (and can be just as cranky). His taste in movies and music is decades out of date.

Dogtown is a shelter for stray dogs, misbehaving dogs, and discarded robot dogs, whose owners have outgrown them. Chance, a real dog, has been in Dogtown since his owners unwittingly left him with irresponsible dog-sitters who skipped town. Metal Head is a robot dog who dreams of being back in a real home. And Mouse is a mouse who has the run of Dogtown, pilfering kibble, and performing clever feats to protect the dogs he loves. When Chance and Metal Head embark on an adventure to find their forever homes, there is danger, cheese sandwiches, a charging station, and some unexpected kindness.

Charlie Thorne is a genius. Charlie Thorne is a thief. Charlie Thorne isn’t old enough to drive. And now, it’s up to her to save the world.... Decades ago, Albert Einstein devised an equation that could benefit all life on earth - or destroy it. Fearing what would happen if the equation fell into the wrong hands, he hid it. But now, a diabolical group known as the Furies are closing in on its location. In desperation, a team of CIA agents drags Charlie into the hunt, needing her brilliance to find it first - even though this means placing her life in grave danger.

When a herd of elephants interrupts the big Friday night football game, the police enlist Teddy and his father to assist them in getting the animals safely back home to the elephant sanctuary. Only when they arrive, their owners realize one of the elephants has gone missing! The lone African elephant, Tanzy, is still out there somewhere.

Max Einstein is not your typical genius. She hacks the computer system at NYU to attend classes, builds inventions to help the homeless, and talks to Albert Einstein! (Okay, that's just in her imagination). But everything changes when Max is recruited by a mysterious organization! Their mission: solve some of the world's toughest problems using science. She's helped by a diverse group of young geniuses from around the globe as they invent new ways to power the farthest reaches of the planet. But that's only if the sinister outfit known only as The Corporation doesn't get to her first.

Summer, 1940. Nineteen-year-old Jakob Novis and his quirky younger sister Lizzie share a love of riddles and puzzles. And now they’re living inside of one. The quarrelsome siblings find themselves amidst one of the greatest secrets of World War II—Britain’s eccentric codebreaking factory at Bletchley Park. As Jakob joins Bletchley’s top minds to crack the Nazi's Enigma cipher, fourteen-year-old Lizzie embarks on a mission to solve the mysterious disappearance of their mother.

Finn Connelly is nothing like his dad, a star athlete and firefighter hero who always ran toward danger until he died two years ago. Finn is about to fail seventh grade and has never made headlines . . . until now. Caught on camera vandalizing a cemetery, he's in big trouble for knocking down some dead old lady's headstone. Turns out that grave belongs to a legendary local mountain climber, and her daughter makes Finn an unusual offer: she'll drop all the charges if he agrees to climb all forty-six Adirondack High Peaks in a single summer.

When a mysterious little free library (guarded by a large orange cat) appears overnight in the small town of Martinville, eleven-year-old Evan plucks two weathered books from its shelves, never suspecting that his life is about to change. Evan and his best friend Rafe quickly discover a link between one of the old books and a long-ago event that none of the grown-ups want to talk about. The two boys start asking questions whose answers will transform not only their own futures, but the town itself.

Tim is just a peasant, but he dreams big. He wants more out of life than to grow up to be a woodsman like his father. Unfortunately, the only route to success in the kingdom of Wyld is to be born a prince. Still, Tim is determined. He is brave and clever and always tries to do the right thing—even though he rarely gets the credit for it.

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.

Jason Yao has a secret . . . actually, lots of secrets! For one thing, it's hard being a professional chef, helping to run a motel, and being a regular kid! And now that Mia Tang is officially his girlfriend, Jason's life has reached a whole new level of exciting—and terrifying! After all, Mia is amazing, and Jason is . . . just Jason. But he's determined to be the best boyfriend ever, and he knows exactly what he needs to do.