Introduction to JavaScript Object Notation

Ever wondered why we knock on wood, cross our fingers, or say "white rabbits" on the first day of the month? Dive in and learn about fascinating traditions and superstitions from all over the world! The Good Luck Book explores the surprising - and sometimes scary - history of the world's most practiced traditions and superstitions (and plenty more that you probably won't have heard of!). Discover superstitions old and new from China to Chile, the USA to the Ukraine. Learn how and why they started, and why people still participate in them today. Featuring fascinating topics, including animals, nature, sport, life events, the human body, and lucky locations, The Good Luck Book is packed with bold original illustrations, fun facts, and the origin stories behind rituals and superstitions. Ideal for young readers curious about world culture and why we do the things we do, this colorful and charming book will amaze and entertain

Become a master of the Marvel Cinematic Universe!The Marvel Cinematic Universe (MCU) is vast, incredibly varied, and richly complex. Different worlds, different timelines, countless characters. This is the guide to that universe. Created in close collaboration with Marvel Studios, it will answer the biggest questions: what happened, when, where, and why. Follow the entire story of the MCU from before the Big Bang to the Blip and beyond. Along the way, learn more about the evolution of the Iron Man armors, the hunt for the Infinity Stones, and the formation of the Multiverse. Want to know how many times aliens have invaded Earth, or the complete history of Cap’s shield? Look no further!A treasured keepsake for any movie buff, filled with exclusive infographics, illuminating timelines, and amazing movie stills, this book will have pride of place on any MCU fan’s shelf.

Learn all about sparkling gemstones and eye-catching crystals in this handy reference guide for young readers. From the rarest crystal to the most common stone, gems from around the world are revealed in dazzling detail in this illustrated guide.Discover what exactly crystals and gems are, how they're formed, how to identify them, and how they can be used in everything from microchips to jewelry making. How can a rough diamond become a show-stopping centerpiece? Where does labradorite get its colors? Why are there quartz crystals in clocks and watches? How can crystals be grown in a laboratory? Packed with essential information, this edition is more interactive than ever with new infographics, statistics, and facts. Readers will also get a giant fold-out wall chart packed with crystals and details about their uses, which serves as a useful reference tool on your bedroom or classroom wall. Eyewitness Crystal & Gem is the perfect guide for homework help on crystals or for those who s

Discover fascinating facts about communication in all its forms, from around the world and over timeEngaging factual writing introduces young readers to the most interesting aspects of languages, how they evolve and change over time.Humans’ use of language is one of our distinguishing features. Language allows us to communicate what we think, what we want, what we feel, and what we have learned. Some 100,000 years ago, humans began speaking. Since then, we have developed nearly 7000 languages. Languages are living things; they evolve and change over time. They even travel! People carry their language with them and spread it. Large language families even have their own family trees, such as Spanish, French, English. Different languages can be mixed and combined to create new languages with similar words, pronunciation, and grammar rules. Languages can even become extinct if they are not shared and learned by each new generation. Spoken languages are not the only way we communicate. Sign