Effective Diplomacy-A Practitioner’s Guide, is like a GPS for new and practicing diplomats with a focus on developing countries diplomacy in Washington, D.C. The book gives insights and introduction to diplomats coming into Washington D.C for the fi rst time and addresses the challenges faced by diplomats in a post September 11, era of diplomacy. This guide focuses also on how to achieve and maintain effective performance and desired outcomes in their conduct of diplomacy in the USA. In 15 clear and comprehensive chapters the author Denis G. Antoine guides readers through important protocols and a body of knowledge, drawing upon more than seventeen years of diplomatic lessons learned in his practice of diplomacy in Washington D.C and across the USA . The author provides step by step guide on how to maneuver Washington D.C, showing exactly how knowledge of the work environment and learned skills can assist new diplomats and particularly diplomats from small developing countries. He addresses the practice of traditional diplomacy by small under resourced missions in an environment where modern diplomacy in a globalized process dictates that the weak compete with the powerful for attention and influence. The author promotes an effective orientation program for new diplomats early upon arrival in Washington, D.C as a critical factor in the productive operation of a diplomatic mission. The book discusses the practice of multilateral diplomacy in the context of the Organization of American States and offers a practical orientation guide for successful practice