Stella Diaz loves marine animals, especially her betta fish, Pancho. But Stella Diaz is not a betta fish. Betta fish like to be alone, while Stella loves spending time with her mom and brother and her best friend, Jenny. Trouble is, Jenny is in another class this year, and Stella feels very lonely. When a new boy arrives in Stella's class, she really wants to be his friend, but sometimes Stella accidentally speaks Spanish instead of English and pronounces words wrong, which makes her turn roja. Plus, she has to speak in front of her whole class for a big presentation at school!

By sixth grade, Miranda and her best friend, Sal, know how to navigate their New York City neighborhood. They know where it's safe to go, like the local grocery store, and they know whom to avoid, like the crazy guy on the corner.

But things start to unravel. Sal gets punched by a new kid for what seems like no reason, and he shuts Miranda out of his life. The apartment key that Miranda's mom keeps hidden for emergencies is stolen. And then Miranda finds a mysterious note.

Portico Reeves’s superpower is making sure all the other superheroes—like his parents and two best friends—stay super. And safe. Super safe. And he does this all in secret. No one in his civilian life knows he’s actually…Stuntboy! But his regular Portico identity is pretty cool, too. He lives in the biggest house on the block, maybe in the whole city, which basically makes it a castle. His mom calls where they live an apartment building. But a building with fifty doors just in the hallways is definitely a castle.

Rafe Khatchadorian has enough problems at home without throwing his first year of middle school into the mix. Luckily, he's got an ace plan for the best year ever, if only he can pull it off: With his best friend Leonardo the Silent awarding him points, Rafe tries to break every rule in his school's oppressive Code of Conduct. Chewing gum in class - 5,000 points! Running in the hallway = 10,000 points! Pulling the fire alarm - 50,000 points! But when Rafe's game starts to catch up with him, he'll have to decide if winning is all that matters.

Bobby is a typical urban New York City teenager, impulsive, eager, and restless. For his 16th birthday he cuts school with his two best buddies, grabs a couple of slices at his favorite pizza joint, catches a flick at a nearby multiplex, and gets some news from his girlfriend, Nia, that changes his life forever: He's going to be a father.

For Bixby Alexander Tam (nicknamed Bat), life tends to be full of surprises - some of them good, some not so good. Today, though, is a good-surprise day. Bat's mom, a veterinarian, has brought home a baby skunk, which she needs to take care of until she can hand him over to a wild-animal shelter. But the minute Bat meets the kit, he knows they belong together. And he's got one month to show his mom that a baby skunk might just make a pretty terrific pet.

Josh Cameron has it all: a World Championship ring with the Boston Celtics, an MVP award, a clean-cut image, and the adoration of millions. What he doesn't have is family -- until the day 12-year-old smart aleck Molly Parker confronts him in a parking lot and claims to be his daughter, the only daughter of Jen Parker, Josh's college sweetheart and the still the only girl he's ever loved. Trouble is, Jen Parker died last year, and now Molly has tracked down the father she never knew.

Eleanor has just moved to the quiet, prosperous Eden Eld. When she awakes to discover an ancient grandfather clock that she's never seen before outside her new room, she's sure her eyes must be playing tricks on her. But then she spots a large bird, staring at her as she boards the school bus. And a black dog with glowing red eyes follows her around town. All she wants is to be normal, and these are far from normal. And worse - no one else can see them.

Ben Coffin has never felt like he fits in. A former foster kid, he keeps his head down at school to avoid bullies and spends his afternoons reading sci-fi books at the library. But that all changes when he finds a scruffy abandoned dog named Flip and befriends the librarian's daughter, Halley. For the first time, Ben starts to feel like he belongs in his own life. Then everything changes, and suddenly Ben is more alone than ever.

Bobby Phillips is an average 15-year-old boy. Until the morning he wakes up and can't see himself in the mirror. Not blind, not dreaming, Bobby is just plain invisible. There doesn't seem to be any rhyme or reason to Bobby's new condition; even his dad the physicist can't figure it out. For Bobby that means no school, no friends, no life. He's a missing person. Then he meets Alicia. She's blind, and Bobby can't resist talking to her, trusting her.

Kenny Wright is a kid with a secret identity. In his mind he's Stainlezz Steel, superpowered defender of the weak. In reality he's a chess club devotee known as a grandma's boy, a label that makes him an easy target for bullies. Kenny wants to bring a little more Steel to the real world, but the question is: Can he recognize his own true strength before peer pressure forces him to make the worst choice of his life?

Peter is thrilled that Grandpa is coming to live with the family - until he finds out that Grandpa is moving into this room. He thinks the only way he can reclaim his room is by declaring war on his grandfather.

Joey Pigza can't sit still. He can't pay attention, he can't follow the rules, and he can't help it - especially when his meds aren't working. Joey's had problems ever since he was born, problems just like his dad and grandma have. And whether he's wreaking havoc on a class trip or swallowing his house key, Joey's problems are getting worse. In fact, his behavior is so off the wall that his teachers are threatening to send him to the special-ed center downtown. Joey knows he's really a good kid, but no matter how hard he tries to do the right thing, something always seems to go wrong.

On the last night of summer, Emma tags along with her game warden father on a routine call. They're supposed to rescue a wild rabbit from a picket fence, but instead they find a little bunny. Emma convinces her father to bring him home for the night. The next day, Emma starts public school for the very first time after years of being homeschooled. More than anything, Emma wants to make a best friend in school. But things don't go as planned. On the first day of school, she's paired with a boy named Jack for a project.

Eleven-year-old Alex Petroski loves space and rockets, his mom, his brother, and his dog, Carl Sagan - named for his hero, the real-life astronomer. All he wants is to launch his golden iPod into space the way Carl Sagan (the man, not the dog) launched his Golden Record on the Voyager spacecraft in 1977. From Colorado to New Mexico, Las Vegas to LA, Alex records a journey on his iPod to show other lifeforms what life on Earth, his Earth, is like.