The G and K variants of the Messerschmitt Bf 109 represented the final German development of this famous Luftwaffe single engine fighter.  The many G variants began service in 1943 while the K variant was deployed to front line units in the Fall of 1944.  The book World War II No. 19: Messerschmit Bf 109 G/K (Vol. I) represents another thorough effort by the Polish publisher Kagero featuring famous aircraft and scale.  Note: this is a Polish publication with text in the English and Polish languages.  Volume I covers the Bf 109 in Luftwaffe livery and is the first of two volumes dedicated to late war Bf 109 fighter variants.  The chapters / sections of this book are as follows: 1) Introduction; 2) Bf 109 G & K Origins, Design and Development; 3) How To Identify A Gustav Version; 4) Technical Characteristics; 5) Pilots Mark Of Gustav; 6) Serial Number Bloacks; 7) Camouflage And Markings; 8) Bibliography; 9) Scale Drawings 1/72, 1/48, 1/32 and 1/24; and 10) Color Profiles.  The book features over 100 original black and white photographs, 25 pages of black and white 1/72, 1/48, 1/32 and 1/24 scale plans along with 7 pages of side and three view color plates and a 4 page color center profile with 2 period color photographs.  This book is 98 pages and is in like new condition.  The author is Jakub Plewka.  Edition published in 2005.