The periodical W.W. I Aero (25th Anniversary Issue) No. 112 Dec., 1986 is a collection of previously published and new magazine articles centered on the operational history and modelling of World War I era aircraft.  Each article includes a comprehensive text, relevant line drawings and helpful photographs including many rare period pictures.   This 25th aniversary edition which was published in December, 1986 is a must have for anyone interested in the operational history of World War I era aircraft or the modeller interested in building either a flying and / or static example of an aeroplane from this era.  The periodical is 114 pages and is in very good condition with a slght 3/4 " tear on the spine of the book.  Edition published in 1986.