By-Ways Of War: The Story of the Filibusters is a historical account that delves into the practice of American filibustering in the 19th century, focusing on those who sought to expand the U.S. territories through private military expeditions in Latin America. The narrative explores the motivations, challenges, and consequences of these adventurers, often seen as outlaws, who embarked on missions to annex foreign lands for personal and political gain. The story examines the complexities of filibusterism, from its roots in piracy and early adventurers to its more organized attempts in the Americas. It highlights the key figures involved, such as military leaders and failed expeditions, while detailing the moral ambiguities surrounding these private wars. The narrative touches on the geopolitical dynamics of the time and the impact these ventures had on the countries they targeted. The book provides insight into the personal and political ambitions of the filibusters, their often disastrous endeavors, and the legacy of their actions in shaping the history of U.S. expansionism.