Oni 100 Rules Series - Set of 5 Books Overall, these books show signs of use. Details for each book are listed below. They have been stored on a bookshelf at home. Please understand that these are home-stored items before making a purchase. [Oni 100 Rules for Independence and Entrepreneurship] With obi (sleeve). Approximately 3 pages have underlining and folds. (See photo 5) [Oni 100 Rules for Writing] With obi. No underlining or folds. [Oni 100 Rules for Marketing] Without obi. Approximately 15 pages have underlining and several folds. [Oni 100 Rules for Sales] Without obi. No underlining or folds. [Oni 100 Rules for Customer Service] Without obi. Creases on the cover. (See photo 15) No underlining, but there are several folds. I have checked the books to a certain extent, but please forgive any oversights.