The "Advanced Mathematics: An Incremental Development, second edition" by Saxon is a comprehensive textbook designed for high school students seeking advanced mathematical knowledge. Authored by John H. Saxon, Jr., this hardcover publication covers a range of mathematical concepts in an incremental development format. With 748 pages, this textbook provides a thorough exploration of mathematics in English, making it a valuable resource for students looking to enhance their understanding and skills in the subject area. These belong to a Christian private school in North Carolina They are used, not in great condition, but completely usable