A place for auxiliary languages in vocational further education is a long way off, but few would dare to say it will never be won. For the present it is important to know that a language of this type does not necessarily represent one man's guess at what would be an improvement on national languages, but may be a scientific approach to finding a widely comprehensible ‘average’ language. The letter from Poland which the author quotes should present even the most unassuming linguist with few difficulties.