Las publicaciones de 13s Naciones Unidas estsn en venta en librerias y casas distribuidoras en tcdas partes del mundo. Consulte a su librero o dirijase a: Naciones Unidas, Secci6n de Ventas, Nueva York o Ginebra. 
**Analysis**
The text appears to be an advertisement or announcement about the availability of publications from the United Nations (UN). It mentions that the publications are sold in bookstores and distributors worldwide, and provides contact information for those interested in purchasing them. This suggests that the text is related to the dissemination of information and knowledge, which is a common activity of the UN.

**Category**
International trade, Education