This is the loose-leaf ISBN 9780357022719 for the student paperback version ISBN 9780357022689 (see isbn page photo) The pages are clean with no markings observed; however, it is possible there may be a missed stray marking present. As the listing states, this is the loose-leaf version of the book, but does not include cover pages if applicable. Few loose ring holes. You will need either 3 large binder rings or a 3-ring binder to use it. All of the pages are intact.