Asker's rating. 1  Theme Of A Book Definition. Source(s): https://shrink.im/babyI. 2  The theme of a book means the meaning of the book or the life lesson that the book teaches. Basically the purpose of the book. 3  The theme of a book is the important life lesson that is being implied. It is something with a deeper meaning that is related to life.
It was only in the recent time that the concept of Caucasian originated. The term can be traced to the 19th century and has been derived from a region of the Caucasus Mountains. German scientist and anthropologist Johann Friedrich Blumenbach is credited with the development of the term Caucasian in 1800.
 The Caucasus is a difficult and complicated place , one Russian political scientist told the Financial Times, referring to the small mountainous region between the Black Sea and the Caspian Sea that comprises Georgia, Armenia, and Azerbaijan. Wait, do white people really come from the Caucasus?he term was popularized by the German scientist Johann Friedrich Blumenbach, who in 1795 divided the human species into five races: Caucasian, the white race; Mongolian, the yellow race; Malayan, the brown race; Ethiopian, the black race; and American, the red race.