Leon Gray – författare

Short stories for children designed to help kids learn how to read and learn to love readingRace to the Finish is a 'Reading Alone' reader, perfect for children who are proficient readers. These short stories for children develop the habit of reading widely for both pleasure and information. DK Reads proves that good reads build great readers.Follow five teams as they prepare and build their cars and bikes for the 50th Annual Creek Point Crazy Race. From the gas-guzzling V12 rally car and the new prototype dual fuel hybrid car to a modified "dualie" motorbike and the eco-friendly alternative powered-car find out about the advantages and disadvantages of the different engines, how they work and the possibilities for cool cars and bikes of the future. Who will win the race?Now available with text that lights up as as you read-along and playful images and sounds.

From its earliest uses in the US military to its role today in vehicle navigation, surveying and transport tracking, GPS has changed the way we travel, work and have fun. It has also become a crucial tool for emergency services, law enforcement officers and the monitoring of convicted criminals. Find out more about how GPS works and how this high-tech science affects your world.High-Tech Science is a series of four books that look at the revolutionary, cutting-edge science that we rely on to run our lives and keep our modern world working. It it closely linked with the Science and Design and Technology curriculums.

Touch screens have transformed our modern lives, allowing us to control equipment and communicate with each other through smart devices - all at the touch of a button. Discover how touch screens began as scientific resources, how they were changed into the fun and practical gadgets we use today and what the future of these adaptable and inventive devices could be. High-Tech Science is a series of four books that look at the revolutionary, cutting-edge science that we rely on to run our lives and keep our modern world working.

The advances that have been made in the realm of genetics are astounding. Not only has the entire human genome been mapped, but scientists have also discovered methods of modifying genes in people as well as plants and animals. With this progress has come a great debate about the ethics of genetic modification. People wonder if there should be limits to altering nature. Readers explore basic concepts of cellular biology, including DNA and genes. Then they are guided though the differing sides of the genetics debate and encouraged to take their own informed stance on the issues.

We usually think of GPS (Global Positioning System) as a good thing, especially if we''re using it to find our way from place to place. GPS satellites, radio signals, and receivers work together to pinpoint our location and get us to our destination. Hikers, bicyclists, and even golfers are finding ways to use GPS to improve their athletic experiences. The military installs GPS in many kinds of equipment, vehicles, and weaponry. GPS has surprising applications as well, such as tracking animals for conservation efforts. But many people are suspicious of this technology, especially when it''s used to locate them without their consent. Many aspects of the GPS debate are explained, giving readers the ability decide for themselves where, when, and how satellite positioning should be used.

Tsunamis can involve waves that move as fast as passenger jets and grow to heights taller than skyscrapers. As astonishing as these huge waves might be, they’re also a deadly phenomenon happening more often around the world. Readers will encounter some of the most destructive tsunamis of all time while they explore the science behind these occurrences. An explanation of plate tectonics and wave formations are a few of the exciting science concepts that readers are introduced to through real-life examples and lots of surprising facts. Full-color photographs and detailed illustrations will guide readers through one of nature’s scariest disasters, while highlighting the populations tsunamis have affected—and those they will affect in the future.

Packed with physical facts and healthy hints - find out why healthy kids choose to understand puberty!Find out what happens to a body in puberty and why, and how these changes can affect your mental health. Whatever stage of maturity you're facing, this book has something for everyone: from hormones and spots to emotional and relational health during puberty. And don't forget about healthy eating - it is also key to managing puberty!The HEALTHY KIDS series encourages children aged 9-11 to make healthy lifestyle choices with knowledge that will benefit them throughout their lives. Discover positive, practical and to-the-point advice on everything from puberty and fitness, to staying safe and keeping clean.Books in the series:Healthy Kids: Eat Healthy FoodHealthy Kids: Exercise Your Body Healthy Kids: Keep Yourself Clean Healthy Kids: Keep Yourself SafeHealthy Kids: Understand Puberty Healthy Kids: Understand Relationships

Packed with physical facts and healthy hints - find out why healthy kids choose to understand puberty!Find out what happens to a body in puberty and why, and how these changes can affect your mental health. Whatever stage of maturity you're facing, this book has something for everyone: from hormones and spots to emotional and relational health during puberty. And don't forget about healthy eating - it is also key to managing puberty!The HEALTHY KIDS series encourages children aged 9-11 to make healthy lifestyle choices with knowledge that will benefit them throughout their lives. Discover positive, practical and to-the-point advice on everything from puberty and fitness, to staying safe and keeping clean.Books in the series:Healthy Kids: Eat Healthy FoodHealthy Kids: Exercise Your Body Healthy Kids: Keep Yourself Clean Healthy Kids: Keep Yourself SafeHealthy Kids: Understand Puberty Healthy Kids: Understand Relationships

From magnetic force to gravity, find out all about forces and motion and what they do in this fascinating book, including what lies ahead for our use of forces in the future. "Super Science" fact boxes give interesting stats and lesser-known facts so you can impress your friends with your science knowledge!

From light waves to ultraviolet light, find out all about light and what it does in this fascinating book, including how technology uses light to further science and travel. "Super Science" fact boxes give interesting stats and lesser-known facts so you can impress your friends with your science knowledge!

From magnetic fields to magnetic materials, find out all about magnetism and what it does in this fascinating book, including what lies ahead for our use of magnetism in the future. "Super Science" fact boxes give interesting stats and lesser-known facts so you can impress your friends with your science knowledge!

A kit to make your own spinning globe, plus an illustrated explorer's guide packed with information, providing a unique introduction to our world.Make your own globe and discover more about the people and places on it with this stylish kit, containing all the pieces for an easy-to-make spinning model plus a highly-illustrated explorer's guide. The sturdy card globe features icons labelling everything from natural wonders to famous faces, topics which can then be explored in more detail in the explorer's guide. As well as referring closely to the model globe, the explorer's guide covers a variety of themes including the Earth's biomes, animals and World Heritage sites, providing a fascinating introduction to the world, its people and places. This beautifully-designed kit has everything any armchair adventurer needs to begin exploring their very own globe.Publisher's note: adult assistance recommended when building globe.