Preppers or survivalists are people who are aware of the vulnerability of civilization. They anticipate collapses of society (crisis states and situations), consider them inevitable in a way, and actively prepare for them - be it stocks of food, medicine, clothing, and luggage, preparing safe hiding places, being able to provide first aid, surviving in the wilderness without the conveniences of civilization, the use of weapons.
The folder in the Czech original contains an introduction of basic concepts and perhaps even slang or sociolect related to the given phenomenon, as well as working and study materials (articles, interviews, presentations,...) and other useful information (films and series, internet portals, books, professional workplaces and organizations, televisual and radio documentaries,...).