If you are looking for a second/third grade take-home reader about coral reefs that will cover multiple ELA standards and one that will fit it well with life science, this is the one. This comprehensive resource has comparison options, main idea, research, nonfiction text features, writing and a craft project. See the preview. This reader prints beautifully in grayscale. This text might also be successful for students in grades 4-5. Flesch-Kincaid level is 5.3, however I have had complete succes