Highlights:
- A nice close-in underside view of a Y1B-17
- Y1B-17 in temporary camouflage
- B-17B, B-17D, and B-17F general arrangement 3-views
- B-17F fuselage detail drawing
- Nose assembly drawings, showing the variations
- Cockpit and crew position pictures
- Photo of a B-17F retrofitted with the nose turret from a B-32 Dominator
- Numerous closeup photos of gun turrets and stations