Book excerpt: How old is Earth? How fast does Earth spin? What is happening to Mount Everest, the highest place on Earth? What is the lowest place on Earth? Learn the answer to these questions and many more fun facts in this 15-Minute Book. Earth is the only planet in the universe that has life. It orbits an ordinary star in the outer edge of The Milky Way Galaxy. It is a small rocky planet, third in line from its sun. Seventy percent of it is covered by water. It is our home. But how much do you really know about it? LearningIsland.com believes in the value of children practicing reading for 15 minutes every day. Our 15-Minute Books give children lots of fun, exciting choices to read, from classic stories, to mysteries, to books of knowledge. Open the world of reading to a child by having them read for 15 minutes a day.