any literature that is removed from reality--especially poems, books, or short narratives set in nonexistent worlds, such as an elvish kingdom, on the moon, in Pellucidar (the hollow center of the earth), or in alternative versions of the historical world--such as a version of London where vampires or sorcerers have seized control of parliament; in nonexistent worlds, such as an elvish kingdom, on the moon, in Pellucidar (the hollow center of the earth), or in alternative versions of the historical world--such as a version of London where vampires or sorcerers have seized control of parliament. The characters are often something other than humans, or human characters may interact with nonhuman characters such as trolls, dragons, munchkins, kelpies, etc