In “Tobacco Leaves: Being a Book of Facts for Smokers,” William Augustine Brennan meticulously explores the cultural, historical, and economic significance of tobacco. This seminal work weaves together an array of facts, anecdotes, and scientific insights, presented in a style that is both informative and engaging. Brennan deftly navigates the complex narratives surrounding tobacco use, shedding light on its global implications and controversies, all while maintaining a rich literary context that harkens to the 19th-century fascination with botanical texts and consumer goods. Readers will find a thorough examination of the various strains of tobacco, methods of cultivation, and the intricate relationship between tobacco and society. William Augustine Brennan was a reformer and an ardent advocate for temperance, whose personal background influenced his keen analysis of tobacco consumption and its societal repercussions. His obsession with the moral and health dilemmas posed by smoking reveals a multifaceted understanding of addiction and pleasure. This experience likely informed his desire to present a fact-based narrative, aiming to educate rather than merely condemn the practice through responsible discourse. I highly recommend “Tobacco Leaves” to scholars, historians, and casual readers alike, as it offers a nuanced perspective on a deeply ingrained societal practice. Brennan'Äôs thorough research and thoughtful presentation elevate this work beyond mere documentation, rendering it an essential resource for anyone interested in the intricacies of tobacco culture and its lasting impact on our society.