Kanoon has strongly influenced the publishing sector in Iran during the past 20 years. Its distribution of classified educational books has been a revolutionary breakthrough in Iran’s Book Industry. Kanoon Publishing House is a leading organisation in Iran. It is a pioneer in the Iranian educational book sector, characterised by its innovative classifications of different reading subjects. An iconic attribute of Kanoon publications is the branding of the textbooks in different colours. These books are so essential for final exams at school, and finally for their entrance exam.