health. At the start of the book, the author sets the context by explaining the intended readership: daily tobacco users who may lack knowledge about the plant's history, cultivation, and impacts. Brennan outlines the book's goals to educate smokers about the tobacco plant, its uses, and its effects, making it clear that the writer does not impose personal judgments on the use of tobacco. He highlights the historical background of tobacco, tracing its journey from indigenous use in the Americas to its spread in Europe, and introduces the book's structure, which promises comprehensive coverage of tobacco's cultivation, production, varieties, and health considerations. (This is an automatically generated summary.)