This is the excellent Brandenburg D.I book published by Flying Machines Press. Original price was $24.95 USD. Selling for $10. I have multiple copies. Perfect condition. Contain various scale three views and color profiles.
Also Sikorsky S-16 monograph by FMP. Original price was $19.95 USD. Selling at $10 per copy.
Please contact me directly at
[email protected] Thanks, Barry