I suspected someone was gonna ask that... I know exaclty where the book is at home, I can almost picture the cover - but not in enought detail to lever the title out of my brain. Sorry. (If I remember, I'll come back here after I get home tonight and let you know...)

Perhaps 747: Creating the World's First Jumbo Jet and Other Adventures from a Life in Aviation

https://smile.amazon.com/gp/product/0060882425