This is the Earth Science Basics textbook from the Common Test Intensive Lecture Series. There are almost no markings. The supplementary booklet is also included. Notes: * I have a cat (I will try my best to prevent cat hair from getting in). * I will reply within 24 hours whenever possible. * I will ship within a week unless there are special circumstances (I will write about any such circumstances in my profile). There may be some minor bending or creasing. Please understand that this item has been stored at home, and only purchase if you are okay with this!