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.

Murderers, mob bosses, and convicts . . . these guys are not your average neighbors. Unless you live on Alcatraz. It's 1935 and 12-year-old Moose Flanagan and his family have just moved to the infamous island that's home to criminals like notorious escapee Roy Gardner, Machine Gun Kelly, and of course, Al Capone. Now Moose has to try to fit in at his new school, avoid getting caught up in one of the warden's daughter's countless plots, and keep an eye on his sister Natalie, who's not like other kids.

Holy unanticipated occurrences! It begins, as the best superhero stories do, with a tragic accident that has unexpected consequences. The squirrel never saw the vacuum cleaner coming, but self-described cynic Flora Belle Buckman, who has read every issue of the comic book Terrible Things Can Happen to You!, is the just the right person to step in and save him. What neither can predict is that Ulysses (the squirrel) has been born anew, with powers of strength, flight, and misspelled poetry - and that Flora will be changed too.

The Vanderbeekers have always lived in the brownstone on 141st Street. It's practically another member of the family. So when their reclusive, curmudgeonly landlord decides not to renew their lease, the five siblings have 11 days to do whatever it takes to stay in their beloved home and convince the dreaded Beiderman just how wonderful they are. And all is fair in love and war when it comes to keeping their home. A modern classic in the making reminiscent of the Penderwicks series.

Welcome to the imaginative brain of Omar! Omar and his family have just moved, and he is NOT excited about starting at a new school. What if the work is too hard or the kids are mean or the teacher is a zombie alien?! But when Omar makes a new best friend, things start looking up. That is, until a Big Mean Bully named Daniel makes every day a nightmare! Daniel even tells Omar that all Muslims are going to be kicked out of the country.... Could that possibly be true? Luckily, Omar's enormous imagination and goofy family help him get through life's ups and downs.

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?

From fixing the class computer to repairing old radios, 12-year-old Iris is a tech genius. But she's the only deaf person in her school, so people often treat her like she's not very smart. If you've ever felt like no one was listening to you, then you know how hard that can be. When she learns about Blue 55, a real whale who is unable to speak to other whales, Iris understands how he must feel. Then she has an idea: She should invent a way to "sing" to him! But he's 3,000 miles away. How will she play her song for him?

Everyone knows there are different kinds of teachers. The boring ones, the mean ones, the ones who try too hard, the ones who stopped trying long ago. The ones you'll never remember and the ones you want to forget. Ms. Bixby is none of these. She's the sort of teacher who makes you feel like school is somehow worthwhile. Who recognizes something in you that sometimes you don't even see in yourself. Who you never want to disappoint. What Ms. Bixby is is one of a kind.

The start of the school year is not going as the Fletcher brothers hoped. Each boy finds his plans for success veering off in unexpected and sometimes diastrous directions. And at home, their miserable new neighbor complains about everything. As the year continues, the boys learn the hard and often hilarious lesson that sometimes what you least expect is what you come to care about the most.

Carter Jones is astonished early one morning when he finds a real English butler, bowler hat and all, on the doorstep - one who stays to help the Jones family, which is a little bit broken. In addition to figuring out middle school, Carter has to adjust to the unwelcome presence of this new know-it-all adult in his life and navigate the butler's notions of decorum. And ultimately, when his burden of grief and anger from the past can no longer be ignored, Carter learns that a burden becomes lighter when it is shared.

Vivy Cohen is determined. She's had enough of playing catch in the park. She's ready to pitch for a real baseball team. But Vivy's mom is worried about Vivy being the only girl on the team, and the only autistic kid. She wants Vivy to forget about pitching, but Vivy won't give up. When her social skills teacher makes her write a letter to someone, Vivy knows exactly who to choose: her hero, Major League pitcher VJ Capello.

Eleven-year-old Amelia Ashford—Millie to her friends (if she had any, that is)—doesn't realize just how much adventure awaits her when she's given the opportunity of a lifetime: to spend the night in Amelia Earhart's childhood home with five other girls. Make that five strangers. Once at Amelia's house in Atchison, Kansas, Millie stumbles upon a display of Amelia's famous flight goggles. She can't believe her good luck, since they're about to be relocated to a fancy museum in DC. But her luck changes quickly when the goggles disappear, and Millie was the last to see them.

Mia Tang has a lot of secrets. Number one: She lives in a motel, not a big house. Every day, while her immigrant parents clean the rooms, 10-year-old Mia manages the front desk of the Calivista Motel and tends to its guests. Number two: Her parents hide immigrants. And if the mean motel owner, Mr. Yao, finds out they've been letting them stay in the empty rooms for free, the Tangs will be doomed. Number three: She wants to be a writer. But how can she when her mom thinks she should stick to math because English is not her first language?

Melody is not like most people. She cannot walk or talk, but she has a photographic memory; she can remember every detail of everything she has ever experienced. She is smarter than most of the adults who try to diagnose her and smarter than her classmates in her integrated classroom - the very same classmates who dismiss her as mentally challenged because she cannot tell them otherwise. But Melody refuses to be defined by cerebral palsy.

While looking out the window with her grandma's binoculars, Sammy witnesses a crime across the street at the Heavenly Hotel. What's worse, the thief saw her spying! As Sammy attempts to find the burglar who has made several other hits in the neighborhood, she finds herself trying to keep him from uncovering her - or worse, the police discovering that she's living illegally with her grandmother in the seniors-only housing!