S. Medlik 
Dictionary of Travel, Tourism and Hospitality [PDF ebook] 

This new edition combines within two covers:
* A dictionary of 2500 terms
* Descriptions of 300 organizations
* A biographical dictionary of 100 personalities
* Explanations of 1200 acronyms and abbreviations
* Key data for well over 200 countries
* A concise bibliography listing more than 100 useful sources of further information
The author »s long and wide experience of these fields makes this an indispensable companion for students and teachers, and those employed in relevant businesses and organizations, as well as for the travellers, tourists and guests who are the raison d »être of it all.