This is a set of 3 packs of 3 sketchbooks each, B4 size, 24 sheets per book, made in Japan, and 1 set of 3 sketchbooks, A4 size, 24 sheets per book, for a total of 12 books. Although new and unopened, there are scratches and stains on the laminate. Please purchase if you don't mind that these have been stored at home. Management number Y063