What's the mystery? The pattern crops up in the most unexpected places. You'll find it in the disk of a sunflower, the skin of a pineapple, and the spiral of a nautilus shell. No one knows how nature came up with the sequence. Sarah C. and Richard P. Campbell introduce the Fibonacci sequence through a series of stunning photographs. Young readers will soon be seeing nature through new eyes, looking for Fibonacci numbers in daisies, pinecones, leaf patterns, seashells, and more.

    She knew how many miles it was to the moon (and how many back). She loved studying algebra and geometry and calculus and using math to solve problems in the outside world.Soon math led her to MIT and then to helping NASA put a man on the moon! She handwrote code that would allow the spacecraft’s computer to solve any problems it might encounter. Apollo 8. Apollo 9. Apollo 10. Apollo 11. Without her code, none of those missions could have been completed.Dean Robbins and Lucy Knisley deliver a lovely portrayal of a pioneer in her field who never stopped reaching for the stars.

    In this collection of sixty-six poems, Stevenson recalls the joys of his childhood, from sailing boats down a river, to waiting for the lamplighter, to sailing off to foreign lands in his imagination.Tasha Tudor's watercolour paintings evoke a simpler time in the past, and celebrate two of the things she loves most — children and nature. Her talents are the perfect match for these inspiring poems, making this a handsome gift edition that will be cherished by families for generations.

    Together, Anne Mazer and Steve Johnson have created a woodland paradise that any salamander would love to share with a child.

    And a huge fold-out chart compares the dinos to each other, from the tiniest Microraptor to Argentinosaurus, the largest animal to ever walk the land.*An NPR Best Book of 2013*

    First published to wide acclaim in 2002, this eye-opening book has since become a classic, promoting "world-mindedness" by imagining the world's population -- all 6.8 billion of us -- as a village of just 100 people. Now, If the World Were a Village has been newly revised with updated statistics, several new activities and completely new material on food security, energy and health. By exploring the lives of the 100 villagers, children will discover that life in other nations is often very different from their own. If the World Were a Village is part of CitizenKid: A collection of books that inform children about the world and inspire them to be better global citizens.

    The Human Face of FractionsIf you know your addition and multiplication tables by heart, your next step is to get to know Fred.In this book (Life of Fred: Fractions) and the next book (Life of Fred: Decimals and Percents) you can learn everything you need to know to begin algebra!In one morning, our hero:Teaches a class at the universityBuys a bicycleIn his office, he hurts his foot and is taken to the hospital....and that's just the beginning of his day!Less Than, Billion, Cardinal and Ordinal Numbers, Diameter and Radius, Savings and Expenses, Definition of a Fraction, Sectors, Comparing Fractions, Reducing Fractions, Adding and Subtracting Fractions, Common Denominators, Roman Numerals, Least Common Multiples, Improper Fractions, Lines of Symmetry, Division by Zero, Circumference, Multiplying Mixed Numbers, Commutative Law, Canceling, Definition of a Function, Area, Unit Analysis, Division of Fractions, Geometric Figures, Estimating Answers.

    At first they’re cute, but with every passing day, the penguins pile up—along with the family’s problems. Feeding, cleaning, and housing the penguins becomes a monumental task. They’re noisy and smelly, and they always hog the bathroom! And who on earth is sending these kwaking critters? In a large format, and with lots of opportunity for counting, 365 Penguins is sure to become a perennial wintertime favorite.

    Fly away with Granny as she takes a magic carpet ride around the world, collecting a steadily increasing number of souvenirs from each exotic location! This rhyming story will take young readers on an adventure to different countries while teaching them to count along the way.

    Penny is excited to startthe year with her best friend right beside her in the same classroom. This humorous take on Clement C. Moore's classic tale has a perfect twist ending that will surprise readers—as well as the “heroine” of the story—and help all about-to-be first-graders through their own backto- school jitters.

    Then she overhears two slaves talking about the Underground Railroad. In a flash of inspiration, Clara sees how she can use the cloth in her scrap bag to make a map of the land--a freedom quilt--that no master will ever suspect.

    So are you. So is everyone.Julius Lester says, "I write because our lives are stories. If enough of those stories are told, then perhaps we will begin to see that our lives are the same story. The differences are merely in the details." Now Mr. Lester shares his own story as he explores what makes each of us special. Karen Barbour's dramatic, vibrant paintings speak to the heart of Lester's unique vision, truly a celebration of all of us.

    . . our hearts can feel so many feelings! Some make us feel as light as a balloon, others as heavy as an elephant. In My Heart explores a full range of emotions, describing how they feel physically, inside. With language that is lyrical but also direct, toddlers will be empowered by this new vocabulary and able to practice articulating and identifying their own emotions. With whimsical illustrations and an irresistible die-cut heart that extends through each spread, this unique feelings book is gorgeously packaged.