113 320 aang(fictitiouscharacter) american americanfantasyfiction ancient animals aristotle astronomy congresses cosmology earlyworksto1800 effectofhumanbeingson environmentalconditions europe fantasyfiction fiction forestsandforestry friendship graphicnovels history human-animalrelationships humanecology magic martialarts metaphor middleages motion nature newagemovement philosophy philosophyofnature politicalscience quests(expeditions) romance science self-actualization(psychology) shamanism socialaspects socialconditions spirituallife to1500 toltecphilosophy