SUGAR IN FRUIT
grams of natural sugar per 100 g of fresh fruit — and how much water sits beside it
$2.50
PROTEIN IN FOODS
grams per 100 g · animal and plant · and the state each one was weighed in
Free
MORSE CODE
26 letters and 10 digits · dot, dash
Free
PHONETIC ALPHABET
the ICAO standard · for radio and telephone
$2.50