This book is about Nicolaus Copernicus and how he changed astronomy. This book doesn't have a plot line, but rather a bunch of facts about Copernicus. Copernicus lived in modern day Poland (as the book starts out). Copernicus lived in a time of the Geocentric universe (when the Earth was thought to be at the center of the universe). However there were some things that no one could explain with the Geocentric Model. Copernicus saw these problems and said that the sun must be in the at at center.

I didn't like this book too much because there wasn't a story, but it was still interesting. I did like how at the end it told you how to do your own projects. I like the concept on how it teaches you about a man of science who a lot of people don't know about. I didn't like it because it did nothing to keep your attention. It does tell you how he died. It also tells you about how long it took everyone to believe the Heliocentric universe (the sun is in the center of the universe). ( )