James Hoffmann, a World Barista Champion, co-founder of Square Mile Coffee Roasters, and influential voice in the specialty coffee community through his YouTube channel and writings, presents the third edition of this seminal reference work. Published in 2025 by Mitchell Beazley, the 288-page hardcover builds on the success of its predecessors, which have sold over 400,000 copies combined, by incorporating recent advancements in coffee production and consumption. This edition expands coverage to include more than 35 countries, offering an in-depth exploration of global coffee cultivation, processing, and preparation, while emphasizing the factors that shape flavor and quality.

The book maintains a logical progression from foundational concepts to regional specifics, blending scientific insights, historical context, and practical observations. It features high-quality photography, maps, and illustrations that visualize coffee’s journey from farm to cup, making complex topics approachable for both novices and seasoned enthusiasts.

Key Sections and Topics

• Core Production Factors: An examination of the elements that influence coffee’s taste, including origin and terroir (soil, climate, and altitude effects), harvesting techniques (selective picking versus strip harvesting), processing methods (washed, natural, honey), roasting profiles, and the role of water quality in brewing. These sections provide a scientific yet accessible foundation for understanding why coffees vary in flavor.
• Varieties and the Coffee Plant: Details on Arabica and Robusta species, heirloom varieties, and emerging hybrids, highlighting genetic diversity and its impact on resilience and taste profiles.
• Roasting and Post-Harvest Processes: Insights into roasting science—from green bean defects to development time—and critiques of industry practices, including the environmental implications of shipping and common trading myths.
• Brewing Methods and Equipment: Coverage of extraction principles, grinding, and brewing techniques, with a new chapter dedicated to steep-and-release methods (such as immersion brewers like the Clever Dripper). It also discusses the evolution of the espresso machine and evaluates misleading supermarket coffee strength indicators.
• New Chapter on Decaffeination: A dedicated exploration of decaf processes, addressing techniques like Swiss Water and CO2 methods, their flavor retention, and growing demand in the market.
• Country-by-Country Profiles: The heart of the book, with expanded entries from Bolivia to Zambia, plus new additions like Australia, Japan, and Puerto Rico. Each profile covers historical context (including socio-political events affecting production), key growing regions, processing innovations, notable producers, and characteristic flavor notes—drawing on previously unpublished industry knowledge.

Hoffmann’s approach demystifies the coffee supply chain, encouraging readers to become more discerning consumers and appreciate ethical sourcing. While not a step-by-step brewing manual, it complements practical guides by fostering a deeper contextual understanding of why certain beans and methods yield superior results. This edition reflects the rapid evolution of the industry since 2018, making it a valuable update for those tracking global trends in sustainability, variety development, and specialty coffee accessibility.