The Company operates in the publishing field and specifically in the sub sector of book publishing. More explicitly, the basic entrepreneurial activities of the Company as mentioned in the Articles of Operation of the Athanassios A. Kastaniotis S.A. are the following: The publication, production and trading of all kinds of printed material, apart from newspapers, magazines and Greek of Foreign books of any nature. The creation, production and trading of video - tapes and computer discs, as well as general consumable PC material. The production, publication, distribution and trading of electronic books and all kinds of applications using multimedia technology, in CD-ROM, CD-I, DVD, PHOTO CD, 3DO, Video CD. The production and publication, the distribution and trading of multimedia titles, multimedia applications and any other kind of content in digital form, as well as the distribution and trading of books via the Internet.