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.

Chloe Silver has always been good at looking on the bright side. Even though her parents got divorced and she's moved to a new town, she knows that she will make great friends at her new school. So when she is assigned a science project with offbeat Lucy Tanaka and nerdy Theo Barnes, they have fun creating an experiment that tests out the laws of science through different acts of kindness... officially forming The Kindness Club.

Eleven-year-old Simon Barnes dreams of becoming a world-famous rapper that everyone calls Notorious D.O.G. But for now, he's just a Chicago fifth grader who's small for his age and afraid to use his voice. Simon prefers to lay low at school and at home, even though he's constantly spitting rhymes in his head. But when his new teacher assigns the class an oral presentation on something that affects their community, Simon must face his fears.

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?

Ten-year-old Della has always had her older sister, Suki: When their mom went to prison, Della had Suki. When their mom's boyfriend took them in, Della had Suki. When that same boyfriend did something so awful they had to run fast, Della had Suki. Suki is Della's own wolf - her protector. But who has been protecting Suki? Della might get told off for swearing at school, but she has always known how to keep quiet where it counts.

From Newbery Honor and Coretta Scott King Author Award winner Renée Watson comes the first book in a young middle grade series about Ryan Hart, a girl who is pure spirit, kindness and sunshine. Ryan Hart has a lot on her mind – school, self-image and especially family. Her dad finally has a new job, but money is tight. That means some changes, like selling their second car and moving into a new (old) house. But Ryan is a girl who knows how to make sunshine out of setbacks.

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!

Zoe Washington isn’t sure what to write. What does a girl say to the father she’s never met, hadn’t heard from until his letter arrived on her 12th birthday, and who’s been in prison for a terrible crime? A crime he says he never committed. Could Marcus really be innocent? Zoe is determined to uncover the truth. Even if it means hiding his letters and her investigation from the rest of her family. Everyone else thinks Zoe’s worrying about doing a good job at her bakery internship

Ted Hammond loves a good mystery, and in the spring of his fifth-grade year, he's working on a big one. How can his school in the little town of Plattsford stay open next year if there are going to be only five students? Out here on the Great Plains, in western Nebraska, everyone understands that if you lose the school, you lose the town.

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?

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.

Karina Chopra would have never imagined becoming friends with the boy next door - after all, they've avoided each other for years and she assumes Chris is just like the boys he hangs out with, who she labels a pack of hyenas. Then Karina's grandfather starts tutoring Chris, and she discovers he's actually a nice, funny kid. But one afternoon something unimaginable happens - the three of them are assaulted by a stranger who targets Indian-American Karina and her grandfather because of how they look. Her grandfather is gravely injured and Karina and Chris vow not to let hate win.

Seventh grade is not going well for Will Levine. Kids at school bully him because of his funny-looking chin. And for his bar mitzvah community service project, he's forced to go to the hospital to visit RJ, an older boy struggling with an incurable disease. At first, the boys don't get along, but then RJ shares his bucket list with Will. Among the things he wants to do: ride a roller coaster; go to a school dance; swim in the ocean.

It was never easy for Sammy Hayes-Rodriguez to fit in, so he's dreading the day when his genius mom insists he bring her newest invention to school: a walking, talking robot he calls E—for "Error". Sammy's no stranger to robots—his house is full of a colorful cast of them. But this one not only thinks it's Sammy's brother... it's actually even nerdier than Sammy. Will E be Sammy's one-way ticket to Loserville? Or will he prove to the world that it's cool to be square?

Willa likes certain things to be certain ways. Her socks have to be soft...and definitely can't have irritating tags on the inside. She loves the crunch of popcorn and nachos...but is grossed out by the crunch of a baby carrot. And slimy foods? Those are the worst. Willa can manage all these things - but there are some things she can't deal with, like her father's big news. He's been keeping a big secret from her...that he's been dating the mom of Willa's best friend Ruby.