Coffee Reads
Reading
Editorial columns to enjoy coffee more deeply.
How to Choose a Coffee Gift: A Budget-by-Budget Guide They’ll Love
For Father’s Day, birthdays or a thank-you — picking a coffee gift that won’t miss
Coffee is an excellent gift: it suits almost anyone, and the budget flexes from a few dollars to a few hundred. But with beans, drip bags, gear and experiences (subscriptions) all on the table, miss the recipient’s habits and it sits unused. Here are the three axes for choosing without missing, picks by format, the practical wrapping notes, and an occasion quick-reference.
How to Choose a Fully Automatic Coffee Maker: Mill, Upkeep and Budget
Freshly ground at one button — picking by type so you won’t regret it
A fully automatic coffee maker hands off the whole “grind → brew” job — the front-runner for saving time. But the mill type, ease of upkeep and budget make a big difference in satisfaction. We sort out burr vs blade mills, the easy-to-miss upkeep gap, the sweet spot by budget, and where it fits versus hand drip and espresso.
Indonesia Coffee Deep Dive: The Scent of the Earth and the Giling Basah Islands
A world-leading producer — why is its distinctive "earthy flavor" born?
Earthy, herbal, spicy — Indonesian coffee divides opinion sharply. Its character is created by a distinctive processing called "giling basah" and the volcanic islands. We dissect the island-by-island differences of Sumatra, Sulawesi, Java and Bali.
Guatemala Coffee Deep Dive: A Flavor Map Drawn by Eight Volcanic Regions
A leading Central American specialty origin, with diverse profiles born of microclimates
Antigua, Huehuetenango, Atitlán — Guatemala is a "country of microclimates" whose taste differs astonishingly by region. We dissect the strength of this Central American specialty, supported by volcanic soil and the quality control of the producer body ANACAFÉ, along with a map of its regions.
Brewing with a Moka Pot (Macchinetta): A Blueprint for a Rich Cup
Mastering Italy's classic stovetop espresso maker
The moka pot makes rich coffee just by putting it on the stove. It tends to be shunned as "bitter and burnt," but nail the heat and the grind and it brews astonishingly sweet. From the mechanism to fail-proof tips and applying it to lattes.
India Coffee Deep Dive: The "Mellowed" Cup the Monsoon Raises
The forests of the Western Ghats, spice estates, and the world's only processing method
"Monsooned Malabar," made by exposing beans to the damp monsoon winds for months. A one-of-a-kind coffee where acidity all but vanishes and aromas of earth, wood and spice rise. We explain the whole picture of Indian coffee, grown in shade-grown forests, starting from the legend of its origin.
What Is SL28 — the Legendary Variety That Defines Kenya
The truth behind the blackcurrant acidity, its origin and its difficulty to grow
That "acidity" in Kenyan coffee comes from the variety. SL28 and SL34, selected by Scott Laboratories in the 1930s. Drought-tolerant, yet low-yielding and disease-prone. We read why it endures from the variety's history.
Understanding Roast Levels: How to Choose Light, Medium and Dark
The same bean becomes a different drink. A map of how acidity, sweetness and body move with roast level
"Light is sour," "dark is bitter" — that is only half the picture. As the roast deepens, which elements of the taste increase and which disappear? From cracks and temperature to the confusion over names, a single map of roast levels.
How Decaf Is Made and How to Choose It: A Delicious Caffeine-Free Cup
Swiss Water, CO2, solvent. The method changes both the taste and the peace of mind
"Decaf = bad-tasting" is a thing of the past. The method greatly changes both how the caffeine is removed and the flavor that remains. We explain the three methods and how to choose a delicious decaf you can drink at night without guilt.
The History of Coffee: From an Ethiopian Legend to the "Third Wave"
Kaldi the goatherd, the Islamic world, the age of exploration, and specialty
A cup of coffee holds a thousand-year story. The legend of its Ethiopian origin, the drinking culture born in Yemen, Europe's cafés, and on to the three "waves." We trace where the specialty you are drinking came from.
Grind Size Decides the Taste: The Best Grind by Brewer
Same bean, same water — just change the particle size and it turns sour or bitter
Much of the trouble brewing good coffee comes down to "grind size." Coarseness is the biggest variable deciding extraction speed = strength of taste. A single sheet of guides by brewer, plus how to fix sour and bitter.
Starting Espresso at Home: Your First Gear and How to Pull a Shot
A world of 9 bars, 25 seconds and concentration. Get ahead of the 3 common pitfalls first
Home espresso is not "buy a machine and you're done." What actually decides the taste is the grinder. We explain the basic recipe (1:2, 25–30 seconds) and, ahead of time, the three failures beginners always hit.
Milk Steaming Basics: Make a Café Latte at Home
The logic of steaming and how to make smooth microfoam
When a latte will not come out right at home, the cause is more often the "milk" than the espresso. Nail the three points — temperature, how you add air, and how you pour — and you have the base for glossy microfoam and latte art.
Brazil Coffee Deep Dive: The Many Faces of the World's Largest Producer
Cerrado, Sul de Minas, Mogiana. The true ability of the "base country"
Brazil produces about a third of the world's coffee. The image of "a blend base" is strong, but its reality is astonishingly diverse. We dig into everything from the nutty, chocolatey character the lower altitude creates to its recent specialty surge.
Coffee and Health: A Summary of the Latest Research as of 2026
How many cups are safe? Any disease-prevention benefit? Sorted out by the evidence
"Coffee is good for you" / "no, it's bad" — the conflicting claims get confusing, but recent large-scale meta-analyses are starting to answer many of the questions. Based on the major studies since 2020, we sort out what is known and what is still unknown.
Brewing by Extraction Yield and TDS: A Cup You Reproduce with Numbers
"Strength" and "yield" are different things. Aiming for a balanced cup by the numbers
"Strong but lacking," "weak but astringent" — extraction that gets lost on feel alone, sorted out by the two axes of TDS (strength) and yield (how much you dissolved). The golden cup range, and how to translate numbers into taste.
The World's Coffee, Read Through Data: A Distribution of 35 Countries, 90 Regions and 349 Flavor Notes
What is universal and what is special — the "outline of the coffee world," in numbers
Visualizing the distribution of flavor, processing and altitude from Coffee Info's own raw data across 35 countries and 90 regions. "Chocolate is the most universal flavor, in 23 countries," "only Asia is defined by spice and earthiness" — the world map of coffee comes into view through data.
Natural vs Washed: How Processing Changes the Taste
The same bean, a different drink. How the handling of the fruit sets the flavor's direction
"Natural," "washed," "honey" written on a coffee bag. These are the names of processing methods, one of the biggest factors deciding the direction of the taste. We untangle why even the same farm and the same variety become a different coffee, starting from the green-bean processing steps.
Costa Rica Coffee Deep Dive: Honey Process and the Micro-Mill Revolution
How a small country the size of Kyushu carved its name into the world through "quality"
Its land is about the size of Kyushu. Even so, Costa Rica is at the forefront of specialty. It banned robusta cultivation by law to focus solely on Arabica, polished the honey process, and let micro-mills make smallholders the stars — we follow that story.
Coffee and Sleep: Until What Time Can You Drink It
Your "final cutoff," counted back from the caffeine half-life
For anyone who vaguely decides "decaf in the evening." How to judge quantitatively, from the three axes of half-life, individual differences and metabolic speed, how many hours before bed you can drink coffee and still sleep.
Mastering the AeroPress: Designing Taste with Pressure and Time
A ¥5,000 all-rounder that brings café quality to your daily table
The AeroPress, a relatively new device invented in 2005. For about ¥5,000, one unit handles drip, immersion and even espresso-style — an all-rounder so popular it has its own world championship. From the basic principle to tips for improving, all in one go.
Brewing with a Siphon: Between Spectacle and Practicality
More than looks — the science of vapor-pressure extraction and where it fits at home
You have seen "that apparatus" at a café, but few brew with it at home. We explain the siphon's characteristic clean extraction, the appeal of the "spectacle," and the points where beginners stumble.
Colombia Coffee Deep Dive: 5 Major Regions and How They Differ
The world's 3rd-largest producer, and the flavor diversity its terrain creates
"Colombia" gets lumped together, but each region is in fact a different coffee. A thorough look at the geography and flavor differences of the five major regions — Huila, Nariño, Cauca, Antioquia and Tolima.
Making Blends at Home: 3 Basic Recipes and How to Build Them
Blending you can do at home, making single origins "play in concert"
Blending is not a roaster's exclusive right. Just mixing 2–3 single origins you have at home makes "a taste of your own." We introduce the pros' "base + accent" approach and three recipes you can try right away.
How to Store Coffee Beans: 7 Tips to Keep Them Fresh
Guarding against the four enemies (oxygen, light, heat, moisture)
Buy pricey specialty beans and sloppy storage drops the taste within a week. Store them right and, even a month later, you can enjoy an aroma close to the day you opened the bag. Seven tips for protecting your beans.
Espresso vs Drip Coffee: How Exactly They Differ
A full rundown of extraction principle, taste, caffeine and gear cost
Ever been stuck when asked at a café, "espresso or americano?" Even from the same beans, the two are different genres of drink. From extraction principle to taste differences and caffeine misconceptions, sorted out.
Paper Filters Change the Taste: Bleached, Unbleached and by Material
With the V60 and Kalita as givens, refining your filter choice changes this much
Even with the same beans, the same dripper and the same recipe, changing the paper filter changes the taste. Bleached or not, paper thickness, and material (bamboo, cotton-blend) differences, explained with real examples.
Ethiopia vs Kenya: What Makes Them Different
Same East Africa, yet completely different — the reasons from variety, processing and altitude
Both are fruity. But taste them side by side and Ethiopia is flowers, Kenya is fruit. Why so different in neighboring countries? Read through landrace vs SL lines, the details of washed processing, and altitude and soil.
The Bourbon Variety — the Origin of Specialty
From the small island of Réunion to the world, the gene for sweetness
The foundation of Central and South American specialty almost all traces back to Bourbon. A sweetness-rich variety born on the small Indian Ocean island of Réunion (formerly Île Bourbon) and spread to Brazil, Central America and East Africa. Why is it called the origin of specialty?
Why Geisha Keeps Breaking the World Price Record
The "Romanée-Conti of coffee," born in Panama
Geisha can top ¥30,000 per pound. Why does it climb so high? A run through the variety, its history and today's market, all at once.
What "Specialty" Means, and the Cupping Score
Why 80 points and above is called specialty
A cupping score of 80 or more — where does this threshold come from, and what does it actually measure? An explanation of the SCA's scoring categories and how to read the numbers.
How Far Water Temperature Changes the Taste: 88°C vs 96°C
The same bean, a different drink — understood through physics and chemistry
For anyone who hears "just change the water temperature and the taste changes" but cannot quite feel it: why it changes, what changes, and where the best point sits, explained scientifically.
Hand-Drip Basics: The Minimal Kit of Gear, Beans and Water
The "first three factors" that keep you from going wrong
9 out of 10 people who fail at hand drip simply do not know "three factors." Get the minimal set — gear, beans and water ratio — and anyone can reach a stable cup.
Recommended Coffee Grinders: Choosing Well Under ¥10,000
Sorting out electric vs manual and ceramic vs stainless
Freshly ground beans and pre-ground beans are different things. You can find a grinder with plenty of performance for under ¥10,000. From a use-case cheat sheet to burr types and materials, easily missed pitfalls, picks by price band, espresso use and long-term upkeep — the decision axes that keep you from going wrong, all at once.
Dissecting the Taste of Ethiopia Yirgacheffe
Where do the jasmine and bergamot aromas come from?
Ethiopia Yirgacheffe, the byword for specialty coffee. Why does only this region's coffee carry such a delicate, tea-like aroma? Unraveled through soil, altitude and landrace varieties.
How to Find the Drinking Window from the Roast Date
The science of the flavor peak and the signs of decline
"Freshest off the roast is best" is actually a little off. Understand the timing of CO₂ degassing and oxidation, and find the optimal moment for your own beans.
How to Cut Caffeine: The Timeline Until It Leaves Your Body
The science for anyone who cannot sleep at night or wants to break the dependence
Caffeine's half-life is about 5 hours. The coffee you drink at 3pm lingers until midnight. How to taper off in stages while keeping withdrawal in check.
5 Steps to Put Your Taste Into Words
Expressing "delicious" as tasting notes
The words coffee people use — "berry-like," "a nutty finish." These are not talent; they are a describing skill anyone can build with practice.
French Press vs V60: What Changes with the Same Beans
Experimenting with how the brewing method shapes flavor
Brew the same beans in a French press and a V60 and they taste like different drinks. Why so different? The science of filter material, contact time and water movement.
How to Choose a Specialty Coffee Roaster
How to find a coffee shop that actually delivers
The words "specialty" and "house-roasted" are everywhere, in town and online. Here is a simple set of signals for telling a roaster you can genuinely trust.
Water Changes the Taste: The Science of Coffee and Water
The strengths of hard water and soft water
Coffee is 98% water. Changing the water can shift the taste even more dramatically than changing the beans. Why Japanese tap water is good enough — and what to choose if you want to go further.
Cold Brew vs Iced Coffee: What Is the Difference
There are two ways to make cold coffee
They look like the same "cold coffee," but cold brew and flash-chilled iced coffee are different drinks. The flavor traits of each, and how best to make them.
How to Read a Roaster's Label
Predicting the flavor from roast date, farm name and processing
A bag of specialty coffee carries a lot of information — origin, altitude, farm, variety, processing, roast date. Learn to read it and you can predict the taste before you buy.
A Five-Minute Morning Routine for a Better Cup Every Day
A repeatable recipe for busy weekdays
Carving out just five minutes in the morning changes your daily coffee. How to build a routine by fixing your gear, your doses and your sequence.
The Basics of Pairing Coffee and Food
Combining with chocolate, cheese, fruit and wagashi
Like wine and cheese, coffee has pairings too. We sort out which foods go well, organized by flavor profile.
Want to learn more systematically?
There’s also a step-by-step beginner’s guide to the basics.
To the beginner’s guide →