Clandestine literature - Definition from the Hotspot Shield Encyclopedia
Clandestine Literature is any publication that is self-published by an individual and not distributed or printed on a large industrial scale.
Clandestine literature was regularly used in earlier eras due to the lack of industrial scale printing and was a widely used method to distribute information to the public. This form of literature is often used to bypass censorship or persecution, is the publication is done without any legal notification or through the confines of an organization. Clandestine literature has been used throughout history and some notable examples include publications by Soviet dissidents during the cold war period and publications written by Voltaire.