This ebook contains illustrations.Mario Andrew Pei was an Italian-American linguist and polyglot who wrote a number of popular books known for their accessibility to readers without a professional background in linguistics.This is a reproduction of a book believed to be published in the 1940s. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process.