Witch World is a science fantasy novel by American writer Andre Norton, published as a paperback original by Ace Books in 1963. It inaugurated the Witch World series and established a setting that she eventually shared with other writers.The first hardcover edition was published by Gregg Press of Boston in 1977 as #1 in a set of seven called "The Witch World Novels of Andre Norton". Later it appeared in three-novel omnibus editions and in audiobook. Source: Wikipedia (en)