The book "In times of emergency. Citizen's guide to nuclear attacks, natural disasters" (1968), published by the United States. Office of Civil Defense, is an extremely important document containing information on actions to be taken in the event of nuclear attacks and natural disasters. The authors of this book carefully consider possible threats and provide citizens with the necessary instructions for protecting themselves and their loved ones in extreme circumstances. In this document, you will find not only advice on sheltering and evacuation, but also information on first aid, water supply, nutrition and other aspects of survival during crisis situations. The authors try to give citizens the necessary knowledge and skills to be able to act effectively during accidents and help themselves and others in emergency situations. The overall emphasis of this book is on the importance of preparedness and preparation for danger, which makes it relevant for all times. "In Time of Emergency" is an important guide that reminds us of the importance of responsibility for our own well-being and safety in the face of potential dangers.