James, Rhondell, Sharice, and Marcel are four inner-city students on a quest to build the world’s largest tetrahedron with their math teacher, Mr. Collins. If they succeed, maybe Rhondell will make new friends, Sharice’s foster mother may start to care, James will discover something he’s good at, and Marcel’s dad will finally see that there is more to life than barbecue. Maybe they’ll even end up in the Guinness Book of World Records!

Sixth grader Alec can’t put a good book down. So when Principal Vance lays down the law - pay attention in class, or else - Alec takes action. He can’t lose all his reading time, so he starts a club. A club he intends to be the only member of. After all, reading isn’t a team sport, and no one would want to join something called the Losers Club, right? But as more and more kids find their way to Alec’s club - including his ex-friend turned bully and the girl Alec is maybe starting to like - Alec notices something.

Max loves stories, especially the fantastical tale Buelo tells him about a mystical gatekeeper who can guide brave travellers on a journey into tomorrow. If Max could see tomorrow, he would know if he'd make Santa Maria's celebrated fútbol team, and whether he'd ever find his mother, who left when he was a baby. Papa refuses to talk about her, so Max has learned to stop asking. But when Papa is forced to reveal his involvement in an underground network of guardians that led people fleeing a neighboring country to safety, everything Max knew about himself and his family is upended.

Meet nine-year-old Iggy Frangi. He's not a bad kid, he's really not. Okay, so he's done a few (a few is anything up to 100) bad things. And okay, he's not very sorry about most of them. People make a big deal about nothing. What's a little pancake here and there? Is that something to get mad about? Iggy doesn't think so. No one got hurt, so there's no problem. No one got hurt except for that one time, that one time when the Best Idea Ever turned into the Worst Idea of All Time.

Florian is 12 years old and has just moved to Washington. He's learning his way around using TOAST, which stands for the Theory of All Small Things. It's a technique he invented to solve life's little mysteries. But when he teaches it to his new friend Margaret, they uncover a mystery that isn't little. In fact, it's huge, and it involves the National Gallery, the FBI, and a notorious crime syndicate known as EEL. Can Florian decipher the clues and finish his homework in time to help the FBI solve the case?

Catherine, a 12-year-old girl with big responsibilities, loves her autistic younger brother David and makes lists of rules she thinks will help him get by. But she often feels that her parents, focused on special care for David, forget that she exists, too.

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.

Rose Howard has OCD, Asperger's syndrome, and an obsession with homonyms (even her name is a homonym). She gave her dog Rain a name with two homonyms (Reign, Rein), which, according to Rose's rules of homonyms, is very special. Rain was a lost dog Rose's father brought home. Rose and Rain are practically inseparable. And they are often home alone, as Rose's father spends most evenings at a bar, and doesn't have much patience for his special-needs daughter.

Socks is one happy cat. He lives the good life with his affectionate owners, Mr. and Mrs. Bricker. Ever since the day they saved him from a life spent in a mailbox drop slot, Socks has been the center of their world. And he always has everything he needs - tasty kitty treats and all the lap room he could want!

Ragweed the mouse is four months old and anxious to see the world. So he says goodbye to his family and friends in the Woodlands and, following the advice of a friendly vole, makes his way to the big city: Amperville. In Amperville, Ragweed sees things he’s never seen before - like cats! In particular, he comes face-to-face with Silversides, founder and president of F.E.A.R. (Felines Enraged About Rodents). Silversides wants to make sure mice know their place in the world. With new friends Clutch, a skateboarding mouse with green hair, and Blinker, a pet mouse longing for freedom, Ragweed takes a stand against F.E.A.R.

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....

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.

When Alice's aunt Polly, The Pie Queen of Ipswitch, passes away, she takes with her the secret to her world-famous piecrust recipe. Or does she? In her will, Polly leaves the recipe to her extraordinarily fat, remarkably disagreeable cat, Lardo...and then leaves Lardo in the care of Alice.

Learn about the phenomenon of a solar eclipse just in time for the Great American Eclipse that will take place on April 8, 2024 in this title in the Who HQ Now series featuring newsmakers and trending topics.

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.