Autodesk Civil 3D 2021: Fundamentals for Land Developers (Grading) (Imperial Units): Autodesk Authorized Publisherby Ascent – Center for Technical Knowledge Description: The item might be beaten up but readable. May contain markings or highlighting, as well as stains, bent corners, or any other major defect, but the text is not obscured in any way.Product ID: 1952866189-7-1-13