Have you ever wondered what makes dough rise? Or how your morning coffee gives you that energy boost? Or why your shampoo is making your hair look greasy? The answer is chemistry. From the moment we wake up until the time we go to sleep (and even while we sleep), chemistry is at work - and it doesn't take a PhD in science to understand it.

Loops, variables, input/output - Lucy can't wait to get started with the new coding club at school. Finally, an after school activity that she's really interested in. But Lucy's excitement turns to disappointment when she's put into a work group with girls she barely knows. All she wanted to do was make an app that she believes will help someone very special to her. Suddenly Lucy begins to get cryptic coding messages and needs some help translating them. She soon discovers that coding - and friendship - takes time, dedication, and some laughs!

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.

When Kelly Quinn and her two BFFs discover a dusty old cookbook while cleaning out the attic, the girls decide to try a few of the mysterious and supposedly magical recipes that are inside. To their surprise, the Keep 'Em Quiet Cobbler actually silences Kelly's pesky little brother and the Hexberry Tart puts a curse on mean girl Charlotte. Is it possible that the recipes really are magic? Who wrote them and where did they come from? And most importantly of all, when boys get involved, what kind of trouble are the girls stirring up for themselves?

Twelve-year-old Mysti Murphy wishes she were a character in a book. If her life were fictional, she'd magically know how to deal with the fact that her best friend, Anibal Gomez, has abandoned her in favor of being a "hipster". She'd be able to take care of everyone when her dad has to spend time in the hospital. And she'd certainly be able to change her family's secret. Seventh grade is not turning out the way Mysti had planned. With the help of a hot-air balloon, her new friend Rama Khan, and a bright orange coat, can she find the courage to change?

Efrén Nava’s Amá is his Superwoman - or Soperwoman, named after the delicious Mexican sopes his mother often prepares. Both Amá and Apá work hard all day to provide for the family, making sure Efrén and his younger siblings Max and Mía feel safe and loved. But Efrén worries about his parents; although he's American-born, his parents are undocumented. His worst nightmare comes true one day when Amá doesn't return from work and is deported across the border to Tijuana, México.

Twelve-year-old Nova is eagerly awaiting the launch of the space shuttle Challenger - it's the first time a teacher is going into space, and kids across America will watch the event on live TV in their classrooms. Nova and her big sister, Bridget, share a love of astronomy and the space program. They planned to watch the launch together. But Bridget has disappeared, and Nova is in a new foster home. While foster families and teachers dismiss Nova as severely autistic and nonverbal, Bridget understands how intelligent and special Nova is, and all that she can't express.

Brian has always been anxious, whether at home, or in class, or on the basketball court. His dad tries to get him to stand up for himself, and his mom helps as much as she can, but after he and his brother are placed in foster care, Brian starts having panic attacks. And he doesn't know if things will ever be normal again. Ezra's always been popular. He's friends with most of the kids on his basketball team, even Brian, who usually keeps to himself. But now, some of his friends have been acting differently, and Brian seems to be pulling away.

It's easy to look at high school senior Oscar Olsson and think: lost. He hates school, struggles to read, and wants nothing to do with college. But Oscar is anything but lost - he knows exactly what he wants and exactly how to get it. Oscar and Farfar, the Swedish grandfather who's raised him, run a food truck together selling rullekebab and munkar, and Oscar wants to finish school so he can focus on the food truck full-time.

Hank Zipzer: He's smart. He's creative. He's funny. His pencils are sharpened. His binders are bound. He wants to do well in school, he really does. He tries not to be lazy, like his parents claim he is. So why is he always getting into trouble?

Eleven-year-old Mimi Mackson comes from a big Indian American family: Dad's a renowned food writer, Mom's a successful businesswoman, and her three older siblings all have their own respective accomplishments. It's easy to feel invisible in such an impressive family, but Mimi's dream of proving she's not the least talented member of her family seems possible when she discovers a contest at the new bakery in town. Plus, it'll start her on the path to becoming a celebrity chef like her culinary idol, Puffy Fay.

Take two sisters making it on their own: brainy 12-year-old GiGi (short for Galileo Galilei, a name she never says out loud) and junior-high-dropout-turned-hairstylist DiDi (short for Delta Dawn). Add a million dollars in prize money from a national cooking contest and a move from the trailer parks of South Carolina to the Gold Coast of New York. Mix in a fancy new school, new friends and enemies, a first crush, and a generous sprinkling of family secrets.

Rick's never questioned much. He's gone along with his best friend Jeff even when Jeff's acted like a bully and a jerk. He's let his father joke with him about which hot girls he might want to date even though that kind of talk always makes him uncomfortable. And he hasn't given his own identity much thought, because everyone else around him seemed to have figured it out.

What do you do when you try to turn into a dragon or a kitten, but you accidentally turn into a dritten instead? Or you try to conjure fire but can only make flurries? Or maybe you get to fly, but you can’t come back down? For Nory and her friends in Dunwiddle Magic School’s Upside-Down Magic class, magic is amazing, unpredictable, and out of control!

Rahul Kapoor is heading into seventh grade in a small town in Indiana. The start of middle school is making him feel increasingly anxious, so his favorite person, his grandfather Bhai, gives him some well-meaning advice: Find one thing you’re really good at and become the best at it. Those four little words sear themselves into Rahul’s brain. While he’s not quite sure what that special thing is, he is convinced that once he finds it, bullies like Brent Miller will stop torturing him at school. And he won’t be worried about staring too long at his classmate Justin Emery.

When Kelly Quinn and her two BFFs discover a dusty old cookbook while cleaning out the attic, the girls decide to try a few of the mysterious and supposedly magical recipes that are inside. To their surprise, the Keep 'Em Quiet Cobbler actually silences Kelly's pesky little brother and the Hexberry Tart puts a curse on mean girl Charlotte. Is it possible that the recipes really are magic? Who wrote them and where did they come from? And most importantly of all, when boys get involved, what kind of trouble are the girls stirring up for themselves?

Kevin has a big talent. Some might call it compulsive lying. He calls it common sense. Kev doesn’t mean to cause trouble by lying all the time; he’s just trying to make everything easier for everyone (and himself). And, of course, a few harmless, um, falsehoods are crucial to his plan to convince Tina that he’s the perfect boyfriend for her. In Gary Paulsen’s irresistible and chaotic comedy, Kevin’s lies spiral out of control until he’s faced with the need to do the unthinkable: tell the truth.

Seventh grader Estefania "Stef" Soto is itching to shake off the onion-and-cilantro embrace of Tia Perla, her family's taco truck. She wants nothing more than for her dad to get a normal job and for Tia Perla to be put out to pasture. It's no fun being known as the "Taco Queen" at school. But just when new city regulations are proposed, and her family's livelihood is threatened, she will have to become the truck's unlikely champion.

When Brianna Justice's hero, the famous celebrity Chef Miss Delicious, speaks at her school and traces her own success back to being president of her fifth-grade class, Brianna determines she must do the same. She just knows that becoming president of her class is the first step toward her own cupcake-baking empire! But when new student Jasmine Moon announces she is also running for president, Brianna learns that she may have more competition than she expected.

As befits a future President of the United States of America, Maggie Mayfield has decided to write a memoir of the past year of her life. And what a banner year it's been! During this period she's Student of the Month on a regular basis, an official shareholder of Coca-Cola stock, and defending Science Fair champion. Most importantly, though, this is the year Maggie has to pull up her bootstraps (the family motto) and finally learn why her cool-dude dad is in a wheelchair, no matter how scary that is.

When her best friend and neighbor Margaret comes to her with a problem, Clementine goes to many lengths to help her friend. This sets off a rollicking adventure-filled week that finds Clementine getting into and out of further trouble, while learning valuable life lessons.

Albie has never been the smartest kid in his class. He has never been the tallest. Or the best at gym. Or the greatest artist. Or the most musical. In fact, Albie has a long list of the things he's not very good at. And his parents keep reminding him of those things all the time...even when it's just by accident. But then Albie gets a new babysitter, Calista, who helps him figure out all of the things he is good at and how he can take pride in himself.

It all started with a peanut butter cup...which leads Ben Braver to a secret school for kids with super abilities. Ben has never had any special powers - and maybe never will. But could this be his chance to become the superhero he's always dreamed of? The Super Life of Ben Braver is the first book in a hilarious adventure series about the greatness that lies within any middle schooler who dreams big from Marcus Emerson, the author of the smash hit Diary of a 6th Grade Ninja series.

The first day of middle school means trading in freeze tag at the pool for new schedules, fabulous outfits, and a fresh start. But for 11-year-old Kaylan, the chaos of new locker combinations, cafeteria cliques, and potential first kisses is more than she can handle. She dreads the start of sixth grade and feels like she wants - no, needs - a winning game plan. Luckily, Kaylan and her effortlessly chill BFF, Arianna, have a fool-proof plan for tackling transitions: a list of 11 things they need to do to totally transform themselves before they both turn 12 in November.

Sixteen-year-old Tessa Johnson has never felt like the protagonist in her own life. She’s rarely seen herself reflected in the pages of the romance novels she loves. The only place she’s a true leading lady is in the swoony love stories she shares only with Caroline, her best friend. When Tessa is accepted into the creative writing program of a prestigious art school, she’s excited to finally let her stories shine. But when she goes to her first workshop, the words are just...gone. Caroline has a solution: Tessa needs to find some inspiration in a real-life love story of her own.