It's been around for centuries; from the ancient Greeks to the American Indians, everyone's chewed it. But the best kind of gum; bubble gum! wasn't invented until 1928, when an enterprising young accountant at Fleer Gum and Candy used his spare time to experiment with different recipes. Bubble-blowing kids everywhere will be delighted with Megan McCarthy's entertaining pictures and engaging fun facts as they learn the history behind the pink perfection of Dubble Bubble.

    The book first explores the parts of trees, their life cycles, the difference between deciduous and evergreen trees, leaf types and the processes of photosynthesis and respiration. Then it takes readers through a year in the life cycle of trees, describing what happens during each of the four seasons. Readers will discover the many ways trees are vital to the environment and how various animals can share one tree as a home.A two-page spread contains a map of forest regions across the United States and Canada. And there's even a section for ?budding? tree-watchers, with fun questions to help identify trees in their neighborhoods.Combine bestselling author Pamela Hickman's child-friendly, informative text with Carolyn Gavin's whimsical, painterly illustrations and you get both a complete reference tool and a book that children will be drawn to for its enticing visual appeal. This book has strong curriculum applications in grades two through five, when children are learning about the characteristics of living things. It works specifically for life science lessons on the growth and changes in plants, and on the interdependence of living things. End matter includes information about endangered trees and how readers can help, as well as an activity, glossary, and index.

    She is small. Very small. In fact so small that you'd need to look through a microscope to see her. Or you can simply open this book and take Min on an adventure to amazing places she's never seen before—like the icy glaciers of your tooth or the twisted, tangled jungle that is your shirt. The perfect book for anyone who wants to take a closer look at the world.

    He saw the whole, where others saw only parts. And he noticed details others failed to see. Through stunning illustrations and lyrical prose, this picture book presents the life and accomplishments of Ernest Everett Just, an African American biologist who made important discoveries about the cell in the 1930s. Through his careful observations and hard work, Ernest opened up the wonder of the universe to all of us, through a tiny egg cell.

    Let’s-Read-and-Find-Out is the winner of the American Association for the Advancement of Science/Subaru Science Books & Films Prize for Outstanding Science Series.

    But within the past forty years, more than fifty percent of the panda’s already shrinking habitat has been destroyed by humans, leaving the beautiful and beloved giant panda vulnerable to extinction. Despite the seemingly insurmountable odds—poaching, habitat destruction, pollution, human overpopulation, and global climate change—the panda is making a comeback. How? By humans teaching baby pandas how to be wild and stay wild.

    . . . A butterfly, perhaps? Readers of all ages have celebrated the work of Bill Martin Jr and Lois Ehlert ever since their first collaboration on Chicka Chicka Boom Boom more than twenty-five years ago. Now these two picture-book geniuses are together again in this dynamic and visually stunning counting-and-natural history picture book that's just perfect for reading aloud--and comes complete with a glossary filled with intriguing information about all of the caterpillar stars!

    Celebrated author-illustrator and master explainer David Macaulay brings his unique voice and style to high-interest nonfiction books for newly independent readers.Everyone knows what a toilet is for, right? But what exactly happens after you flush? Where does our waste go, and how is it made safe? With his unique blend of informative text and illustration, David Macaulay takes readers on a tour of the bathroom and the sewer system, from the familiar family toilet to the mysterious municipal water treatment plant.

    The lively imagination of Caldecott medalist David Wiesner forecasts astounding goings-on for a Tuesday in the not too distant future -- an occurrence of gigantic vegetal proportions.

    But that isn’t all Pipsie and Alfred have to find. Someone has stolen their PB&Js!The search is on for the lunch that left, and soon Pipsie and Alfred are following animal tracks and discovering deer, birds, and even some beavers. Can Pipsie make this mystery history and finish the scavenger hunt? And hopefully before lunchtime, because Alfred is one hungry turtle!

    Who am I? Who Am I? gives readers clues so they can guess which animal will be revealed in a full-spread illustration when they turn the page. Words and illustrations describe the characteristics and movements of each animal. Extra facts are included at the back of the book.

    But in the four hundred years since European explorers first arrived in the Meadowlands, people have dammed up, drained, built over, and polluted this formerly vibrant ecosystem—and all but destroyed it. Still, signs of life remain; under bridges, on the edges of parking lots, and beside train tracks. Slowly but surely, with help from activist groups, government organizations, and ordinary people, the resilient creatures of the Meadowlands are making a comeback, and the wetlands are recovering.

    Frogs are astonishing in their variety and crucial to ecosystems. Onomatopoeic text and stunning illustrations introduce young readers to these fascinating and important creatures, from Chile to Nepal to Australia.

     In Elkhorn Slough, an inlet on the California coast, seagrass grows healthy and strong in the shallow water. This healthy seagrass baffled marine biologist Brent Hughes. The scientist expected this estuary to be overrun with algae, causing the seagrass to die. Why was the seagrass thriving? As Brent investigated, signs pointed to an unexpected player helping to keep the seagrass healthy: sea otters! What do these top predators have to do with an aquatic grass at the opposite end of the food chain? Brent's discovery gave scientists insight into the delicate balance of ecosystems. Follow science in action as Brent conducts the research that led to this major discovery.

    Some things are facts--like the number of robots in this book. Other things are opinions--like which robot would make the best friend, or which robot dances best. And sometimes to tell the difference between a fact and an opinion, you need to wait to get more information--that's because facts can be proven true or false, and opinions are things you feel and believe--but that you can't prove.