This book is about the freemasons of the Ottoman Empire, especially in the areas of Tripoli, Beirut and Mount Lebanon around the 19th and the beginning of the 20th century. The book analyses the masonic lodges and their social networks to provide an insight from their influence on politics and social life in the Empire. The thesis of the book is that freemasonry developed in Tripoli and its surrounding area with the intent of strengthening the unity of the society by dissolving the denominational and religious divisions under masonic ideology.