Europe is home to some of the world’s fastest trains, as well as many monuments like the Eiffel Tower. Over 700 million people live in Europe. It includes the world’s smallest country, Vatican City. L
South America is home to the world’s largest rain forest. The Amazon River runs through it. More than 350 millions people and a huge variety of plants and animals live there. Learn more about this fas
Do you know what causes the northern lights? Where the northern lights are seen? Why the northern lights are so colorful? Read this book to discover the answers!