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Charts & Graphs trade
Fair (and not so fair) exchanges in the natural world.
Pricey fads, then and now.
A typology of fictional life swaps.
Long-distance trade routes revealed by archaeology.
Products that don’t physically exist.
Follow the barter.
Tales of human collateral.
Transforming the earth to move goods.
Unintended consequences of cultural exchange.
Technology that enables trade.
Diplomatic gifts animal, vegetable, and mineral.
