"Records of Dairy Troubles: Bacteriologists' Employment" is a collaborative book by noted authors: Frank G. Hall, Harry Alexis Harding, Laure Alford Rogers, and George A. Smith. In this work, they study in detail the problems related to the bacteriology of dairy farming. The book includes an analysis of modern methods of milk quality control, determination of expiration dates, and identification of ways to prevent contamination of dairy products. Thanks to the coherent approach of the authors and the use of advanced technologies in the field of bacteriology, the book becomes a must for everyone who is interested in the quality of dairy products and the safety of consuming such food.