Given that in Iran the book publishing is regarded as the most important cultural industry or one of the most important cultural foundations, this book assess the quantitative and qualitative status of this industry in the country, examining its effects on (material and spiritual) culture as well as on spoken and written culture, and finally offering some strategies for improving the status of publishing in Iran. Since language as the core of culture and the main keyword is the focus of this study, this book has investigated the cultural role of language and its effect on culture because the book publishing is an influencing factor in the area of spoken and written culture. This book is a product of the author's research during 2011 to 2016.