"Crystallization of Public Opinion" is a book written by an outstanding American psychologist and pioneer in the field of public relations, Edward Bernays. In this work, he considers important aspects of influence on mass consciousness, the process of forming public opinion and methods of manipulating it. The author explores how the use of different strategies and techniques can shape a certain view or belief in society. This book serves as an important guide to understanding the influence of media, advertising, and other communication tools on shaping public opinion.