"A Modern Legionary" is a book that tells the story of a modern legionnaire through the lens of the autobiographical information of the author himself, John Patrick LePoer. In this book, he reveals the unique world of the Foreign Legion, where each member has undergone difficult military training and undergone special training. The author describes his own impressions, feelings and thoughts that accompanied him during his service in the legendary unit. The book "Modern Legionnaire" not only reveals the life of a legionnaire, but also gives an opportunity to delve into the mentality and values of this elite military unit.