The scope of the book is actually a bit wider than the title suggests. It starts out with the piston engined prototypes that were flown resulting from the R40-C programme, right up to the X-35. The project started life as a photobook, so you get a lot of photo's, with a project history of the prototypes. There is hardly any production or service history.

The interesting aspect of this book is that it covers all prototypes, regardless of whether they resulted in production aircraft or not. While some books cover secret projects, and there are of course any number of books covering service aircraft, here you get both in the same volume. This gives a unique overview of US fighter development since WW II. ( )