HOW MUCH COFFEE TO WATER
six methods · weight, grind, time
$2.50
MATCHA DRINKS
six proportions · grams, millilitres, degrees
$1.50
TEA PLANT CULTIVARS
assamica against sinensis · leaves at one scale · six cultivars
$1.50
WINE TEMPERATURE
neither from the fridge nor from the room — not one of them
$2.50
THE HAMBURGER
the ratios of the mince and the five steps that decide the result
$1.50
SUGAR IN FRUIT
grams of natural sugar per 100 g of fresh fruit — and how much water sits beside it
$2.50
NEAPOLITAN PIZZA DOUGH
four ingredients in the proportions written into an EU regulation
Free
POUND CAKE
four equal weights — a recipe whose name is its ratio
Free
THE VERTICAL PLANET
from the Challenger Deep to the summit of Everest · one scale, nothing compressed
$1.50
BALLS BY THE RULES
eleven sports at true relative size — circumference, mass, pressure, and who sets them
Free
IMPERIAL UNITS
convert in your head · without a calculator
Free
PAPER SIZES
the A series · from A0 to A6
$1.50