When learning new subjects, note-taking is very helpful. Use this book to keep your Earth Science notes organized. You can take notes for up to 100 Earth Science topics. In this book, there is even a Table of Contents that you can fill out in order to help yourself navigate through your notes. This is a 6" x 9" paperback notebook. At the top of each note-taking page, there is a line labeled "Topic" for you to write down the name of the topic that you are taking notes on. The paper in this book is thicker than most notebook paper.