De Vaudoncourt served as an artillery commander under Ali Pasha of Tepelene for a year with the aim of assisting him to regain control of the some of the Ionian Islands. He provides an excellent account of the region. The value of the book emanates from its scope. The author not only provides geographical specifications of this part of Greece from a military perspective, he presents a vivid account of the region, ranging from its history, population and economic aspects for production and commerce. He elaborates on the possibilities of different economic activities from olive oil production to fishing with tables that show expenses and expected revenue. His deep knowledge of the region's geography, enables him to comment on the main arteries of communication between different cities and as a result he provides valuable information on roads and details such as the duration of a possible journey. His personal knowledge of Ali Pasha contributes to the chapter on the latter's life story and political activities. In sum, it is a vital source that illuminates the realities on the ground in the Ionian Islands at the early years of the 19th century.