Reference Library
The Coffee Encyclopedia
A continually expanding, expertly researched reference covering coffee origins, varieties, brewing methods, processing, science, history, and culture. Completely free to explore.
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Articles
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Origins
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Varieties
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Brewing Guides
All Entries
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Every published term, definition, and concept — grouped by category and fully searchable.
Browse
Explore by Category
Navigate the encyclopedia by subject area. Each category contains in-depth, cross-referenced articles.
Coffee Origins
Producing countries, regions, farms, and terroir.
ExploreCoffee Varieties
Arabica, Robusta, Geisha, Bourbon, Typica, SL28, and more.
ExploreBrewing Methods
Espresso, V60, Chemex, French Press, Aeropress, and more.
ExploreProcessing Methods
Washed, Natural, Honey, Anaerobic, Experimental.
ExploreCoffee Science
Extraction, water chemistry, roasting, and sensory science.
ExploreCoffee History
Origins, trade routes, cultural milestones, and key figures.
ExploreOrganizations
SCA, CQI, Cup of Excellence, and industry bodies.
ExploreCompetitions
World Barista Championship, Brewers Cup, and more.
ExploreA–Z Glossary
Browse the Coffee Glossary
Search hundreds of coffee terms, or browse alphabetically and by topic.
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Interactive Map
Coffee Origins World Map
Explore coffee-producing countries across the globe. Click any marker to learn about the country's coffee history, varieties, and flavor profiles.
Interactive Timeline
Coffee History Timeline
Key milestones in coffee's journey from ancient Ethiopia to the modern specialty coffee movement.
From Cherry to Bean
Coffee Processing Flowchart
The journey from coffee cherry to green bean, with detailed guides to each processing method.
Harvesting
Coffee cherries are selectively picked at peak ripeness.
Sorting
Cherries are sorted by ripeness, density, and quality.
Processing
Cherries are processed using washed, natural, honey, or experimental methods.
Drying
Parchment coffee is dried to 10-12% moisture on raised beds or patios.
Milling
The parchment layer is hulled, and beans are sorted by size and density.
Export
Green coffee is bagged and shipped to roasters worldwide.
Processing Methods
Comparison Guide
Brewing Method Comparison
Compare brewing methods side by side: grind size, water temperature, brew time, and ratio.
Variety Explorer
Coffee Variety Explorer
Discover the genetic diversity of coffee. Filter by species and explore varieties from around the world.
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Research & Theory
Scientific Topics
University-level explanations of the chemistry, physics, and sensory science behind coffee extraction, roasting, and flavor.
Organizations
Industry associations, research institutions, and certification bodies.
Competitions
Barista championships, brewing competitions, and coffee excellence awards.
Further Reading
Related Articles
The Definitive Reference
Take It Further with The Complete World of Coffee
615 pages across 14 chapters — the complete companion to this encyclopedia, covering origins, brewing, science, and history in depth, grounded in research rather than folklore.
Founding Reader Price $54.99 (Regular $70.00) · Starts shipping October 2026