Comments:ALTERNATE EDITION: Used Book, Access Code, Media, CDs may not be included. The book has internal/external wear and/or highlighting and underlining. It may have creases/stickers on the cover or be a replaced/repaired cover. Some folded pages and/or trimmed page edges. This is a noticeably USED book. International Edition, Content is the same at the US Student edition but??there is a different ISBN and cover design but offers the same contend as that of a US Edition.