Discover the fascinating world of inventions and technology. From the first tools to the latest gadgets, Pocket Genius: Inventions showcases key inventors and inventions that changed the world from air, space, water, and land transportation to everyday objects in the home, medical tools and aids, plus telescopes, roller coasters, satellites, and robots, and a look at future technologies. Redesigned in paperback, DK's best-selling Pocket Genius series is now available in an engaging compact and economical format that is ideal for both browsing and quick reference for use in school and at home. Catalog entries packed with facts provide at-a-glance information, while locator icons offer immediately recognizable references to aid navigation and understanding, and fact files round off the book with fun facts such as record breakers and timelines. Each pocket-size encyclopedia is filled with facts on subjects ranging from animals to history, cars to dogs, and Earth to space and combines a child-friendly layout with engaging photography and bite-size chunks of text that will encourage and inform even the most reluctant readers.

Find out about all 118 elements, the building blocks of matter that make up our entire universe, in this pocket-sized encyclopedia. Discover all the major elements of the periodic table, arranged in chapters according to their group, including alkaline earth metals, lanthanides, and noble gases. Every important element - from hydrogen via carbon, oxygen, and gold to oganesson (that's element number 118) - is presented here. Every entry includes a photo of the element in its raw state or in use, as well as its date of discovery and atomic information as found on the periodic table. Plus here are stunning full-page photos showing elements as you have never seen them before - perhaps inside machinery that you can't normally delve into; or in stunning macro photography that reveals microscopic details invisible to the human eye. The Pocket Eyewitness series is perfect for all children, from reluctant readers who can easily digest the key points through to budding Marie Curies and Louis Pasteurs who want to know more about the most essential particles on the planet.

Explore all the wonders of the ocean in one pocket-sized reference guide! From colossal whales to microscopic plankton, our vast oceans are teeming with a wide range of weird and wonderful plants and animals. This beautifully illustrated reference guide is perfect for budding explorers aged 9-12, teaching and helping them discover the secrets of the underwater kingdom! In this go-to reference guide, you’ll find: • A clear, informative introduction to oceans – what they are, what creatures they hold, how they affect climate, and how humans are changing them • Divided into chapters based on habitats, from the coastline to the ocean floor • Presents information in bite-sized chunks for both avid and reluctant readers, supported by artworks that explain difficult concepts in a simple way With nearly 97% of the planet’s water held in the oceans, there is an incredible variety of creatures that call the ocean home. This mini-encyclopedia explores all the different marine habitats from tidal pools and salt marshes to coral reefs and ocean floor ridges, to name a few. Curious kids interested in the seven seas will also learn about how oceans are formed, what causes tsunamis and typhoons and how tidal waves are used to generate electricity. This beautifully illustrated reference guide is also the perfect introduction to ocean conservation. Young readers can explore the ways marine experts are working to ensure the survival of our oceans in the wake of global warming. Amazing photography paired with simple information makes Pocket Eyewitness Ocean perfect for all budding explorers!

Find out about more than 70 cat breeds, including their origins and characteristics, in this pocket-sized encyclopedia. This cat-alogue packs a whole lot of information into your pocket! Along with a photo of each breed, discover the facts and stats of each cat, including its size, where the breed originated, colors and markings, and unusual features or behaviors. You'll soon be able to tell apart a Burmese from a Siamese; a rex from a sphynx and a manx; and an American shorthair from a British shorthair. You will also discover a lot about colors and patterns. Did you know that tabby cats and tortoiseshells are not breeds, but colors within breeds? Plus there are pages introducing cat anatomy and behavior; and the book finishes with fun facts. The style of the Pocket Eyewitness series is perfect for all children, from reluctant readers who can easily digest the key points through to budding vets and cat-lovers who want to know more about the best pets on the planet. Cats with facts: what more could anyone want?

From the factory to the road, browse through more than 170 cool cars--from hatchbacks to hybrids--in DK's Pocket Genius: Cars. Trace the history of the automobile from early vintage cars to modern concept cars, limousines to coupes, and minivans to sports cars in this reference guide perfect for children ages 8-12. Catalog entries include facts provided at-a-glance information, while locator icons offer immediately recognizable references to aid navigation and understanding, and fact files round off the ebook with fun facts such as record breakers and timelines. Each mini-encyclopedia is filled with facts on subjects ranging from animals to history, cars to dogs, and Earth to space and combines a child-friendly layout with engaging photography and bite-size chunks of text that will encourage and inform even the most reluctant readers.

The ultimate e-guide to more than 120 sports, from soccer to mountain biking. Ever wonder which is the oldest sport? Or how the Olympics came into being? Are sports the same as games? What does a midfielder do in soccer? What are bogeys, eagles, and birdies in golf? The answers to all these questions and more can be found in this pocket-sized sports book for children. With all major team and individual sports organized into clear categories, you can navigate easily to your favorite sport and others like it. Vibrant, clear illustrations and photographs accompany bite-sized chunks of information on gameplay, rules of scoring, court and field sizes, and even equipment for different types of sports and sporting events. Find out more with stats on record breakers and top competitors in every sport. Go deeper with the reference pages on exciting achievements as well as the many sports associations and competitions on the planet. Pocket Genius Sports is perfect for children, whether they are casual sports enthusiasts or die-hard sports buffs.

A visual look at the planet we call home, Pocket Genius: Earth delves into Earth's geology and geography, examining oceans, mountains, deserts, clouds, and more. From sky-high mountains to deep, dark oceans and densely packed forests, Pocket Genius: Earth profiles more than 180 of Earth's features including volcanoes, rivers, and weather and answers questions like What causes an earthquake? Where is the world's largest glacier?, and Why is climate change happening? Redesigned in paperback, DK's best-selling Pocket Genius series is now available in an engaging compact and economical format that is ideal for both browsing and quick reference for use in school and at home. Catalog entries packed with facts provide at-a-glance information, while locator icons offer immediately recognizable references to aid navigation and understanding, and fact files round off the book with fun facts such as record breakers and timelines. Each pocket-size encyclopedia is filled with facts on subjects ranging from animals to history, cars to dogs, and Earth to space and combines a child-friendly layout with engaging photography and bite-size chunks of text that will encourage and inform even the most reluctant readers.