Discover the Boeing B-17 Flying Fortress in this edition of The Legendary Aircraft of World War II! The Boeing B-17 Flying Fortress changed the course of World War II. It has become an icon of American power and a symbol of its Air Force. Explore this legendary aircraft's history, development & production, operational history, & it's variants such as the B-17E, and the F-9. Plus, much more! This edition also serves as an excellent reference source.