This book describes and illustrates the development of German armored warplanes in WWI, primarily J-class infantry aircraft but including other experimental types, with text, more than 160 rare, contemporary photos, 38 color profiles, and tables of information including production quantities and serial numbers of aircraft and aircraft size and performance specifications. The origin and evolution of the armored warplane designs are discussed in the context of the German strategic situation and the evolving combat environment. Scale drawings of four aircraft, the AEG J.I and J.II and the Albatros J.I and J.II, to 1/48 scale are included in the book’s 116 pages. The book is of interest to aviation historians, enthusiasts, and modelers alike.