continental drift. noun. geology. the theory that the earth's continents move gradually over the surface of the planet on a substratum of magma. The present-day configuration of the continents is thought to be the result of the fragmentation of a single landmass, Pangaea, that existed 200 million years ago.
The Wonderful Wizard of Oz is an American children's novel written by author L. Frank Baum and illustrated by W. W. Denslow, originally published by the George M. Hill Company in Chicago on May 17, 1900.
After several failed careers, including actor and salesman, and declaring bankruptcy, author L. Frank Baum hit a goldmine when he published The Wonderful Wizard of Oz in 1900. The book became the bestselling children's book for two years and led to stage shows and a series of Oz books.