But do you know about the mathematical genius who made sure that Apollo 13 returned safely home?As a child, Katherine Johnson loved to count. She counted the steps on the road, the number of dishes and spoons she washed in the kitchen sink, everything! Boundless, curious, and excited by calculations, young Katherine longed to know as much as she could about math, about the universe.From Katherine's early beginnings as a gifted student to her heroic accomplishments as a prominent mathematician at NASA, this is the story of a groundbreaking American woman who not only calculated the course of moon landings but, in turn, saved lives and made enormous contributions to history.

    A picture book biography of scientist Wangari Maathai, the first African womanand first environmentalistto win a Nobel Peace Prize (in 2004), for her work planting trees in her native Kenya.

    The class wants to help look for her. Ms. Frizzle says, "The best way to find a frog is to be a frog!" So, the kids take a ride on the Magic School Bus. Join them as they shrink to frog size and learn all about animal habitats!

     If there was one thing James loved to do more than anything else, it was to be in the great outdoors watching his beloved feathered friends. In the fall of 1804, he was determined to find out if the birds nesting near his Pennsylvania home would really return the following spring. Through careful observation, James laid the foundation for all that we know about migration patterns today. Capturing the early passion of this bird-obsessed young man as well as the meticulous study and scientific methods behind his research, this lively, gorgeously illustrated biography will leave young readers listening intently for the call of birds large and small near their own home.

    Here are 12 "hypotheses," as well as lists of "what you need," "what to do," and "what happened" that are sure to make young readers laugh out loud as they learn how to conduct science experiments (really!). Jenny Offill and Nancy Carpenter—the ingenious pair that brought you 17 Things I'm Not Allowed to Do Anymore—have outdone themselves in this brilliant and outrageously funny book.

    SEE INSIDE AN AMAZING 14TH-CENTURY CASTLEFrom the creators of INCREDIBLE CROSS-SECTIONSWHY...did castles have wooden walkways around the top of their walls?...did one castle attacker set fire to 40 dead pigs?...was the longbow such a fearsome weapon?WHO...was a "gong farmer"?...catapulted animals over the castle walls?...ate elaborate dishes of porpoise and peacock?WHAT...was strewn on castle floors?...was a quantain?...was a squire's job?Follow the story of life in the castle in both peace and war - and find the enemy spy!

    Each page is jam packed with hands-on activities and games covering spelling and vocabulary, reading comprehension, parts of speech, odds and evens, multiplication tables, and much, much more—with friendly illustrations throughout. Aligned with Common Core State Standards and expertly vetted by award-winning teachers, this workbook is designed to appeal to kids’ natural curiosity, with interactive layouts and easy-to-follow explanations that take the intimidation out of learning. Plus, it’s written to help parents follow along and explain key concepts for homework help! With colorful stickers, a fold-out poster, award certificate, and Brain Quest Mini Decks in the backAlso available: Summer Brain Quest Workbooks (Pre-K & K through Grades 5 & 6) and Brain Quest Decks (Pre-K through Grade 7).

    This level two reader, written in easy-to-grasp text, will help cultivate the geologists of tomorrow!This high-interest, educationally vetted series of beginning readers features the magnificent images of National Geographic, accompanied by texts written by experienced, skilled children's book authors. The inside back cover of the paperback edition is an interactive feature based upon the book. Level 1 books reinforce the content of the book with a kinesthetic learning activity. In Level 2 books readers complete a Cloze letter, or fun fill-in, with vocabulary words.Releases simultaneously in Reinforced Library Binding: 978-1-4263-1039-3 , $13.90/$15.95 CanNational Geographic supports K-12 educators with ELA Common Core Resources.Visit www.natgeoed.org/commoncore for more information. From the Trade Paperback edition.

    A fly who, when she's not landing on your head or swimming in your soup, is trying to escape her 327 brothers and sisters who are driving her crazy!Even though she's little -- just like her best friends Worm and Spider -- Fly wants to be a superhero. And why not? She walks on walls, sees in all directions at once, and can already fly!Doreen Cronin and Harry Bliss, the team behind the New York Times bestsellers Diary of a Worm and Diary of a Spider, reach hilarious heights with their story of a little fly who's not afraid to dream big. Really big.

    "This book...recounts the persistence of a Frenchman, Louis Bleriot, to build a flying machine to cross the English Channel....  The text is succinct, caption-like in its directness and brevity....The paintings...add the necessary testure and tone to this marriage.  This is vintage Provensen" – School Library Journal

    So he began planting trees. What began as a small thicket of bamboo, grew over the years into 1,300 acre forest filled with native plants and animals. The Boy Who Grew a Forest tells the inspiring true story of Payeng—and reminds us all of the difference a single person with a big idea can make.

    School Library Journal declared it "a standout concept book [that's] engaging, fun . . . and a favorite for storytimes or one-on-one settings." (App also available.)

    Slowly the bird develops, until one day it cracks through the shell. Safe inside the nest, under the care of its parents, the chick grows stronger. Soon it will learn how to fly and take care of itself. By next spring it will be ready to build its own nest and raise chicks of its own.

    Meet the environmentally friendly people who now proudly call their home Energy Island.At a time when most countries are producing ever-increasing amounts of CO2, the rather ordinary citizens of Samsø have accomplished something extraordinary--in just ten years they have reduced their carbon emissions by 140% and become almost completely energy independent. A narrative tale and a science book in one, this inspiring true story proves that with a little hard work and a big idea, anyone can make a huge step towards energy conservation.

    Tadpoles and Frogs is part of an exciting series of books for children who are beginning to read on their own. The easy-to-read text has been specially written with the help of a reading expert.