This 54 page coloring book will help children and adults learn about crinoids What they are, where they live, what their fossils are like, fascinating facts about them, and fun games to play The Georgia Mineral Society is a completely volunteer, non-profit 501(c)(3) organization dedicated to educating the youth of the state and members of our society in the field of Earth Sciences. All proceeds above cost will be used to further education in Earth Sciences and to support the educational efforts of the Georgia Mineral Society.