1998 · 소스북(플레이 향상용 규칙/옵션)

The Net Libram of Athasian Ecology

This reference work examines the ecology of Athas, focusing on how the planet’s biosphere functions and how energy moves through it. It explains the role of sunlight, plants, water, carbon dioxide, and carbohydrate fuels in supporting the food chain, from producers to the creatures that depend on them.