Book excerpt: Does Neptune have a lot of winds? What is at the core or center of Neptune? Neptune is slowly turning itself into what precious mineral? What is the coldest place in our solar system? (Hint: It isn’t the planet,) Learn the answer to these questions and many more fun facts in this 15-Minute Book. Neptune is the last planet in our solar system. It is so far away that scientists do not know much about it, but here are some things they do know. The Educational Version has activities that meet Common Core Curriculum Standards. 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. Many books are appropriate for hi-lo readers. Open the world of reading to a child by having them read for 15 minutes a day.