Smoke-free home. There are no writings, markings or highlights in this book. There is creasing on the cover spine and back cover. There is gray smudging on the front cover and the back cover. There is a library sticker on the spine and back of cover. There also is a brown sticker mark on the inside of the back cover. Pages are slightly discolored. Paperback. Still a great resource. Still in good condition. Previous library book.