TEA PLANT CULTIVARS
assamica against sinensis · leaves at one scale · six cultivars
$1.50
SUGAR IN FRUIT
grams of natural sugar per 100 g of fresh fruit — and how much water sits beside it
$2.50
THE VERTICAL PLANET
from the Challenger Deep to the summit of Everest · one scale, nothing compressed
$1.50
PAPER SIZES
the A series · from A0 to A6
$1.50
MOTORCYCLE CLASSES
rake, trail, wheelbase and seat height — six classes drawn at one scale
Free