Every book that is published in Iran must have a permit from the Ministry of Islamic Culture and Guidance, even today. If you want to publish a book about anything, or even a scholarly journal or a children's book, you must have a permit to publish it. It's still the same. It has always been the same.
Soon people will flush down the toilet on you guys. Tehran is experiencing its 6th day of widespread air pollution and the government is not shutting down Tehran for no reason. People will remember your favorite administration as, by far, the worst administration in the history of Iran after the revolution. The same cannot be said about Ahmadinejad.