Explore the functions of levers, wheels, and pulleys, and learn how to lift a lion, pull a panda, and deliver a basket of bananas to a baboon birthday party!

       With revised illustrations reflecting our new understanding of dinosaurs, this updated Science Reader is as scientifically accurate today—and as easy to read—as when it was first published in 1991. An ideal introduction to some of the most fascinating babies of all time, this Step 2 book is perfect for young dinosaur fans who can read with help. The hatching of eggs, dinosaur parenting, and the hazards faced by prehistoric young’uns are all here in this accessible look at a perennially popular subject.

    A guide to countries and continents in today's rapidly changing world.- Clear, country-by-country layout makes this an ideal reference book for use at home and at school.- Fact boxes provide at-a-glance information on each country's population, language, religion, government, currency, and more.- More than 60 large-scale, three-dimensional maps, 900 superb photographs, and 500 detailed artworks, charts, and diagrams bring the countries of the world to life.- Researched, authenticated, and updated by a team of specialists in human and physical geography and international affairs.

    He just wants to save on toothpaste. Betting he can make a gallon of his own for the same price as one tube from the store, Rufus develops a step-by-step production plan with help from his good friend Kate MacKinstrey. By the time he reaches the eighth grade, Rufus makes more than a gallon -- he makes a million! This fun, breezy story set in 1960s Cleveland, Ohio contains many real-life mathematical problems which the characters must solve to succeed in their budding business. Includes black-and-white illustrations by Jan Palmer.This 35th anniversary edition includes an exclusive author interview and reader's guide with book summary and discussion questions.

    Little does he know that the hungry, shivering animal he names Tama would bring him both friendship and good fortune beyond his dreams. Illustrations.

    High school science teacher Tom Robinson shows you how to expand your scientific horizons-from biology to chemistry to physics to outer space. You'll discover answers to questions like: Is it possible to blow up a balloon without actually blowing into it? What is inside coins? Can a magnet ever be "turned off"? Do toilets always flush in the same direction? Can a swimming pool be cleaned with just the breath of one person? You won't want to wait for a rainy day or your school's science fair to test these cool experiments for yourself! Tom Robinson teaches high school science and math and has coauthored an online advance placement physics course.

    Poet Laureate J. Patrick Lewis curates an exuberant poetic celebration of the natural world in this stellar collection of nature poems. From trickling streams to deafening thrunderstorms to soaring mountains, discover majestic photography perfectly paired with contemporary (such as Billy Collins), classics (such as Robert Frost), and never-before-published works.

    / 'Cause whether his or hers amoeba, / They too feel like you and meba.What if a boring lesson about the food chain becomes a sing-along about predators and prey? A twinkle-twinkle little star transforms into a twinkle-less, sunshine-eating-and rhyming Black Hole? What if amoebas, combustion, metamorphosis, viruses, the creation of the universe are all irresistible, laugh-out-loud poetry? Well, you're thinking in science verse, that's what. And if you can't stop the rhymes ... the atomic joke is on you. Only the amazing talents of Jon Scieszka and Lane Smith, the team who created Math Curse, could make science so much fun.

    Launched in the spring, this exciting learning-to-read program combines DK's highly visual, non-fiction Eyewitness style with engaging, age-appropriate stories to help children learn to read. The four reading levels make up a structured literacy program that carefully guides children through their first steps in reading, and progressing to become confident and proficient readers. Each book is guaranteed to capture a child's interest, while developing his or her reading skills and general knowledge. Introducing 8 new titles each season, these are high quality paperbacks at affordable prices. Children will want to collect them all!

    Turtle, Turtle, Watch Out! But a child scares them away and puts wire mesh over the nest to protect the eggs. As Turtle hatches, scurries to sea, grows up, and becomes a mother turtle returning to the same beach to lay her own eggs, numerous dangers threaten her. Sometimes she escapes through her own efforts, and sometimes she needs the help of human hands. This exciting story vividly describes the life cycle of a sea turtle and the ways we can help these endangered animals survive. Rich artwork and a dramatic read-aloud text make it a tale that will keep children on the edge of their seats.

    An easy geography lesson.--Southern Living. Full color.

    Now you can follow The Questioneers' further adventures in brand-new chapter books! The first installment, Rosie Revere and the Raucous Riveters, is a spirited story about the power of teamwork and the true meaning of home.   Rosie Revere is no stranger to flops and fails, kerfuffles and catastrophes. After all, engineering is all about perseverance! But this time, Rosie has a really important project to tackle—one that feels much bigger than herself.   Rosie’s beloved Aunt Rose and her friends, the Raucous Riveters—a group of fun-loving gals who built airplanes during World War II—need help inventing something new. And Rosie is just the engineer for the job!   After one flop . . . then another . . . and another . . . Rosie starts to lose hope. But thanks to some help from her fellow Questioneers Iggy Peck and Ada Twist, Rosie gets the job done. And, along with the Riveters, she rediscovers the meaning of home.   Collect them all! Add these other STEM favorites from #1 New York Times bestselling team Andrea Beaty and David Roberts to your family library today!  Rosie Revere, EngineerAda Twist, ScientistIggy Peck, ArchitectAda Twist and the Perilous PantsAda Twist’s Big Project Book for Stellar ScientistsIggy Peck’s Big Project Book for Amazing ArchitectsRosie Revere’s Big Project Book for Bold EngineersQuestioneers Family Calendar

    A toad busy doing what any other toad does with its days--judging the pond splashing contest (Reggie the fly is usually the honorary winner by dint of his five-day lifespan), or visiting his friends, Jeff the free-range hamster, Rayray the lizard, Jeremy the worm, or Sprout the frog. And, of course, trying to keep clear of the local hawk. But when Cecil discovers a freeway construction project aimed right at the pond, he knows he has to come up with a plan to save his home. But what can a small group of amphibians and a reincarnating fly do against construction vehicles and a steady onslaught of hot asphalt? Cecil isn't sure, but he knows they have to try.

    Anticipating future needs, she gathers acorn seeds.What makes an oak tree an oak tree and what makes a squirrel a squirrel? In Squirrel's Family Tree, things aren't always what they seem. As squirrel searches for, finds, and hides her acorn treasures beneath the shadows of the great oak trees in the forest, little does she know the role she plays in creating the very environment she forages in.

    With tips, how-tos, and facts from a real pediatrician, it's the perfect book to help you learn about your body's changes.