?The International Auxiliary Language Esperanto Grammar and Commentary
Author: George Cox
Publication date: 2011
Number of pages: 221
Esperanto is the International Auxiliary Language created by Dr. L. L. Zamenhof, a doctor of medicine, residing at Warsaw, Poland. It is now hardly necessary to mention this fact, but there was a time, not very long ago, when many people thought that Esperanto was a patent medicine, or new kind of soap, or, in fact, anything except a language!