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