This is an attempt to study the management and marketing concept in the field of tourism with special reference to travel agency operations. The book delves into the evolution of organised travel culminating in modern tourism, as we know it today. And the role of passenger transport with special reference to air transport has also been covered. the development of sales network in the field of travel and tourism, with the requisite input of modern travel agency operations and marketing of travel, both by retail travel agents as *well as tour operators, has become imperative with the phenomenal increase in international travel. With a quantum leap in travel agency business, the information on travel agency appointments and approvals as also IATA, accreditation is of utmost importance. Since communication plays a vital part in travel and tourism industry, the book also explains how modern communication systems, with special reference to computer technology, have changed the concept of travel and tourism marketing. The main objective of this book is to provide valuable source material to graduate as well as post-graduate and management students of the institutions of travel and tourism, travel agencies, airlines and others engaged in the business of tourism.