This new book is the first of a mulit-volume series covering the complete history of Germany's legendary World War II jet fighter the Messerschmitt Me 262. Featured in this volume are the early Me 262 concept and wind tunnel designs. This includes all of the Me 262 "Versuch" or research design prototypes abd the preproduction "Serein" or S-type fligh test machines. Later volumes will cover production types and unusual design variants.