After her feats of math and science derring-do, Chirpy is the talk of the coop. So when the chicks face a new problem-Clucky greedily chomping down on all the chow-they turn to their Great Mathemachicken for a solution. Wandering off to think, she meets Quackers, a very curious duck, who has a lot of his own questions. Unfortunately, Chirpy doesn't have answers. But she knows the best place to find them-school! So the pair hops on the bus to do some investigation, learning about reading and pizza, tally marks and fractions. And it turns out, fractions are yummy . . . and may be the answer to the chickens' coop conundrum.

Twins Lia and Luis have received a secret puzzle from their grandma! Can they put it together to read the hidden message? This book is a playful exploration of geometry and sorting featuring Brazilian American characters and a glossary of Brazilian Portuguese words.

As the sun sets over another gorgeous day at la Playita Del Condado in Puerto Rico, Meli doesn't want to go home. She loves the ocean more than anything, and with only five minutes left at the beach, she knows exactly where her last stop should be- the tidal pools. They are small universes of their own teeming with critters and creatures of the ocean. While looking into the pools, she meets a crab, Jaiba, who takes her on a dreamlike underwater adventure, teaches her about the importance of shark conservation, and reveals Meli's ultimate destiny- to become the Mother of Sharks.

The only thing Rosalind Ling Geraghty loves more than watching NASA launches with her dad is building rockets with him. When he dies unexpectedly, all Ro has left of him is an unfinished model rocket they had been working on together. Benjamin Burns doesn't like science, but he can't get enough of Spacebound, a popular comic book series. When he finds a sketch that suggests that his dad created the comics, he's thrilled. Too bad his dad walked out years ago, and Benji has no way to contact him. Though Ro and Benji were only supposed to be science class partners, the pair become unlikely friends, and Ro even figures out a way to reunite Benji and his dad. But Benji hesitates, which infuriates Ro. Doesn't he realize how much Ro wishes she could be in his place? As the two face bullying, grief, and their own differences, Benji and Ro try to piece together clues to some of the biggest questions in the universe.

One week. One prize. Seven really weird challenges. The kids at Benjamin Banneker College Prep are a little... competitive. Okay. They're a LOT competitive. The minute Principal Yee announces an epic competition for the golden B-B trophy, seventh-grader Frederick Douglass Zezzmer knows he has to win. But it won't be easy. The competition doesn't just include science, technology, engineering and math. It also has arts and sports. Not Doug's best subjects. Even worse, it's a TEAM competition. Instead of being in a superstar group, Doug gets paired with four middle school misfits no one else wants. Worst of all, Doug's dad has a horrible backup plan. If Doug doesn't win, he has to forget about becoming The World's Greatest Inventor and spend the summer in sports camp, with his scary stepbrother. With only a week to go, Doug launches a quest to turn his team of outcasts into winners... and maybe even friends

Eleven-year-old Danny's life is turned upside down when his Chinese grandmother comes to live with his family in England. Things get worse when Danny finds out he'll have to share his room with her, and she took the top bunk! At first, Danny is frustrated that he can't communicate with her because she doesn't speak English--and because he's on the verge of failing math and Nai Nai was actually a math champion back in the day. It just feels like he and his grandmother have nothing in common. His parents insist that Danny help out, so when he's left to look after Nai Nai, he leaves her at the bingo hall for the day to get her off his back. But he soon discovers that not everyone there is as welcoming as he expected . . . Through the universal languages of math and art, Danny realizes he has more in common with his Nai Nai than he first thought.

Twelve-year-old Henna loves living with her two papas and cultivating her beloved plants on the tiny island of Earth's End--until Papa Niall grows seriously ill. Now Henna is determined to find a legendary, long-extinct plant with miraculous healing powers, even though the search means journeying all the way to St. Basil's Conservatory, a botanical boarding school rumored to house seeds of every plant ever grown. At St. Basil's, Henna is surrounded not only by incredible plants, but also, for the first time, other kids--including her new roommates: wisecracking, genderfluid P, who gleefully bends every rule they come up against, and wealthy, distant Lora, who is tired of servants doing everything for her, from folding her clothes to pushing her wheelchair. But Henna's search for the fabled healing seed means she doesn't have time for friends--or so she thinks. This tender tale, blossoming with moments of joy, is a story of hope, grief, and learning to flourish with a little help from those around you.

It's been fifty years since a sun shift wiped out nearly all mammal life across the earth. Towns and cities are abandoned relics, autonomous machines maintain roadways, and the world is slowly being reclaimed by nature. Isolated pockets of survivors keep to themselves in underground sites, hiding from the lethal sunlight by day and coming above ground at night. 10-year-old Elvie and her caretaker, Flora, a biologist, are the only two humans who can survive during daylight because Flora made an incredible discovery - a way to make an antidote to sun sickness using the scales from monarch butterfly wings. Unfortunately, it can only be made in small quantities and has a short shelf life. Free to travel during the day, Elvie and Flora follow monarchs as they migrate across the former Western United States, constantly making new medicine for themselves while trying to find a way to make a vaccine they can share with everyone. Will they discover a way to go from a treatment to a cure and preserve what remains of humanity, or will their efforts be thwarted by disaster and the very people they are trying to save?

When you're named after a 250-year-old tortoise, you grow up believing life is full of possibilities and wonder. But ever since Addie's family got turned upside down, those things have been harder for her to see. The last thing Addie wants to do is make a new friend, but when her dad's summer job takes them across the country, she meets Mateo and finds herself caught up in an exciting project. With the help of a virtual reality headset, she's suddenly scaling castle walls, dodging angry kittens, and seeing the world in whole new ways. Plus, she has an idea that could be bigger than anything she's imagined before, but can she right some wrongs first . . . or is it too late?

Valentine's Day is approaching, and Miles Lewis doesn't really like all the mush that comes with it. He is excited about the candy experiments they're doing in science class, though. And when his teacher asks for adult volunteers to help out, Miles and his friend Jada share that they're both planning on inviting their grandparents. That's when they realize that Miles's Nana and Jada's Pop Pop have a lot in common--could they be a perfect match?

Sejal Sinha is looking forward to celebrating Diwali with her family. But when a hurricane appears, Sejal and her cousin Mira learn that the house is in danger from the imminent storm. With the help of Sejal's favorite stuffed animal, Professor Cheetah, the two girls use Cardboard Box Magic to build their own Hurricane Hunter and fly into the eye of the hurricane! They learn about a project from the 1960s called Project Stormfury, where a team actually tried to stop hurricanes. Can Sejal and Mira do what the previous Stormfury team couldn't and battle the superstorm?

Yusuf Azeem has spent all his life in the small town of Frey, Texas--and nearly that long waiting for the chance to participate in the regional robotics competition, which he just knows he can win. Only, this year is going to be more difficult than he thought. Because this year is the twentieth anniversary of the 9/11 terrorist attacks, an anniversary that has everyone in his Muslim community on edge. With "Never Forget" banners everywhere and a hostile group of townspeople protesting the new mosque, Yusuf realizes that the country's anger from two decades ago hasn't gone away. Can he hold onto his joy--and his friendships--in the face of heartache and prejudice?

Rome, A.D. 306. Emperor Constantine converts the Roman Empire to Christianity. Over the next two decades, his armies destroy pagan idols across Europe and the Middle East. England, A.D. 1830. Paleontologist Mary Anning writes to Sir Richard Owen, describing a fossil that she discovered in the cliffs of Lyme-Regis. She writes that the fossil is a large wing made of black bone. Montana, A.D. 2023. Sixteen-year-old Molly Wilder discovers a mysterious fossil while on a summer internship. The fossil has a large wing structure, horned skull, and black bones. Neither famed fossil-hunter Derek Farnsworth nor renowned paleontologist Dr. Sean Oliphant can place it in a recognized dinosaur family.

Toba and his mother, a renowned scientist, have just immigrated to the US from Nigeria. But instead of living in the Big City like Toba always dreamed, they've moved to a sleepy little town in the Pacific Northwest called Buckhead. Hidden away in the basement of the school, Toba and his newfound friends discover a strange video game--a perfect replica of Ancient Benin and its people. Soon, Toba is on the run from men in black after witnessing strange experiments, disappearances, and a mind-controlling tattoo that everyone in town seems to have. As Toba and his friends chase down a vast conspiracy with connections to another world in the fight to save their parents, they soon uncover the ancient terror that's behind it all. Will they be able to work together and save their parents (and Buckhead) before it's too late?

When math genius Emma and her coding club co-president, George, are tasked with brainstorming a new project, The Code for Love is born. George disapproves of Emma's idea of creating a matchmaking app, accusing her of meddling in people's lives. But all the happy new couples at school are proof that the app works. At least at first. Emma's code is flawless. So why is it that perfectly matched couples start breaking up, the wrong people keep falling for each other, and Emma's own feelings defy any algorithm?

We use water, electricity, and the internet every day--but how do they actually work? And what's the plan to keep them running for years to come? This nonfiction science graphic novel takes readers on a journey from how the most essential systems were developed to how they are implemented in our world today and how they will be used in the future. What was the first message sent over the internet? How much water does a single person use every day? How was the electric light invented? For every utility we use each day, there's a hidden history--a story of intrigue, drama, humor, and inequity. This graphic novel provides a guided tour through the science of the past--and reveals how the decisions people made while inventing and constructing early technology still affect the way people use it today. Full of art, maps, and diagrams, Hidden Systems is a thoughtful, humorous exploration of the history of science and what needs to be done now to change the future.

Bel doesn't want to think about the future. College apps? You're funny. Extracurriculars? Not a chance. Joining a robotics club filled with boys who ignore her or--even worse--constantly ask if she needs help? Please, anything but that. But when she accidentally reveals a talent for engineering in class, she has no choice. Enter Mateo Luna, the handsome captain of the club. Teo instantly recognizes Bel's talent. He needs her on the team. And not just because he can't stop thinking about the tiny dusting of freckles around her eyes, or how she got him hooked on Taylor Swift--it's because Bel sees him. She challenges him. But when they seriously start butting heads, Bel wonders: Is there really room for a girl like her in STEM?

Escaping from an arranged marriage, sixteen-year-old Khadija finds an unlikely ally in a poor young glassmaker's apprentice, and as a deadly revolution exploits forbidden magic, threatening their friendship, they must choose what kind of world they want to live in.