"All Citrus Varieties & Hybrids are descendants of five ancestral fruits: Citron, Mandarin, Papeda, Pomelo, and Kumquat.
"EC #000 is a single-sheet zine diagramming relationships between combinations and re-combinations of citrus fruits. Punched holes create connections between fruits across pages. RISO printed in yellow, fluorescent pink and green. 4x5.25 inches." -- https://www.extracredit.work/citrus