Diego Vaisberg

"Vibrant illustrations accompany information about the history of Tokyo. The narrative nonfiction text is intended for students in kindergarten through third grade."--Provided by publisher.

"In a growing digital world, how can you remain safe and secure? How can you protect yourself and your information? Learn all about your digital safety and security in this eye-opening book."--

"Paleontologist Paul Sereno was searching for dinosaur fossils in the Sahara desert when he and his team found something else-the skull of a gigantic crocodile! This incredible animal was so big that it could eat dinosaurs. The team called it Supercroc. Follow along on this graphic adventure to find more Supercroc bones and discover how this huge dinosaur eater lived. Then, take a trip back in time to learn all about the creatures that lived alongside...

"Paleontologist Luis Chiappe was searching under the hot sun in Patagonia for fossils of ancient birds when he and his team stumbled upon something even more incredible-eggshells. They found the old nesting site of something far bigger than birds. Follow along on the graphic adventure based on a true story to discover eggs from the titanosaur, the biggest dinosaur ever discovered. Then, take a trip back in time to learn all about the creatures who...

"Vibrant illustrations accompany information about the history of New York City. The narrative nonfiction text is intended for students in kindergarten through third grade." -Provided by publisher"--

"Discover the world of engineering with fun, step-by-step projects.Energy powers everything in the world around us. But where does this energy come from Discover the machines that engineers have created to convert energy into electricity, different types of electrical circuits and how engineers design buildings to make them more energy-efficient"--

"Keen scientists can discover how to be a worm-charmer, go pond dipping, and build a bug house. After learning the essential facts, children can find almost everything they need for the experiments around the home, with materials and instructions that are simply, safely, and clearly presented."--

Where would we be without machines? Mechanical engineers design all sorts of complex machines to make our lives easier, but behind every ingenious invention are six simple machines that make all the others possible - levers, pulleys, wheels, planes, wedges and screws. Find out how they all work, and how engineers put them to use in extraordinary ways.

"Take a closer look at different engineering fields and skills needed for our world to function. Simple step-by-step hands-on activities encourage readers to develop their own engineering and design skills. Learn how hardware and software work, and discover how engineers are creating robots to help us out on Earth - and in space. Writing in binary code and building a brushbot are just a couple of the fun activities included"--