Kate the Chemist is a 10-year-old science problem solver. There's no problem Kate can't fix! When her best friend, Birdie, is cast as the lead unicorn in their school's musical Dragons vs. Unicorns, and Kate is chosen to be the assistant director, they agree this is going to be the best musical EVER! Kate is a natural assistant director; like all good scientists, she's smart and organized, but she also comes up with great ideas.

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.

Elise and Franklin have always been best friends. Elise has always lived in the big house with her loving Uncle and Aunt, because Elise's parents died when she was too young to remember them. There's always been a barn behind the house with eight locked doors on the second floor. When Elise and Franklin start middle school, things feel all wrong. Bullying. Not fitting in. Franklin suddenly seems babyish. Then, soon after her 12th birthday, Elise receives a mysterious key left for her by her father. A key that unlocks one of the eight doors upstairs in the bar...

Galileo. Newton. Salk. Oppenheimer. Science can change the world...but can it go too far? Eleven-year-old Ellie has never liked change. She misses fifth grade. She misses her old best friend. She even misses her dearly departed goldfish. Then one day a strange boy shows up. He’s bossy. He’s cranky. And weirdly enough...he looks a lot like Ellie’s grandfather, a scientist who’s always been slightly obsessed with immortality. Could this pimply boy really be Grandpa Melvin? Has he finally found the secret to eternal youth?

Sixteen-year-old Lara Jean Song keeps her love letters in a hatbox her mother gave her. They aren’t love letters that anyone else wrote for her; these are ones she’s written. One for every boy she’s ever loved - five in all. When she writes, she pours out her heart and soul and says all the things she would never say in real life, because her letters are for her eyes only. Until the day her secret letters are mailed, and suddenly, Lara Jean’s love life goes from imaginary to out of control.

What do you wish for most? It's a question that Oswald, Sarah, and Millie think they know the answer to. Oswald wishes his summer wasn't so boring, Sarah wishes to be beautiful, and Millie wishes she could just disappear from the face of the earth. But in the twisted world of Five Nights at Freddy's, their hearts' deepest desires have an unexpected cost. In this volume, horror master Scott Cawthon spins three sinister novella-length stories from different corners of his series' canon.

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?

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.

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.

Summer in Sand Lake isn't complete without a trip to Meade Creamery - the local ice cream stand founded in 1944 by Molly Meade, who started making ice cream to cheer up her lovesick girlfriends while all the boys were away at war. Since then, the stand has been owned and managed exclusively by local girls, who inevitably become the best of friends.

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.

Seventeen-year-old Esme Pearl has a babysitters club. She knows it's kinda lame, but what else is she supposed to do? Get a job? Gross. Besides, Esme likes babysitting, and she's good at it. And lately Esme needs all the cash she can get, because it seems like destruction follows her wherever she goes. Let's just say she owes some people a new tree. Enter Cassandra Heaven. She's Instagram-model hot, dresses like she found her clothes in a dumpster, and has a rebellious streak as gnarly as the cafeteria cooking.

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.

Jilly thinks she's figured out how life works. But when her sister Emma is born deaf, she realizes how much she still has to learn. A big fantasy reader, Jilly connects with another fan, Derek, who is African American and a deaf ASL user. She goes to Derek for advice but doesn't always know the best way to ask for it and makes some mistakes along the way. Jilly has to step back to learn to be an ally, a sister, and a friend, understanding that life works in different ways for different people, and that being open to change can make you change in the best possible ways.

Brianna Justice is determined to raise enough money for the big class trip to Washington, DC, but she's up against a lot: classmates who all pretend to be something they're not, a new nemesis determined to run her out of office, and the sinking feeling she's about to lose her two best friends. But just when she begins to lose hope, she comes to realize that sometimes surprises can turn out even better than the best-laid plans.