Note book is consists of a book or binder composed of pages, often ruled, made out of paper, used for purposes including recording notes or memoranda, writing, drawing, and scrapbooking, Notebooks used for drawing and scrapbooking are usually blank. Notebooks for writing usually have some kind of printing on the writing material, if only lines to align writing or facilitate certain kinds of drawing. Inventor’s notebooks have page numbers preprinted to support priority claims. They may be considered as grey literature. Many notebooks have graphic decorations. Personal organizers can have various kinds of preprinted pages.