Germanys Secret Weapons in World War Two - Roger Ford

I don't know if Roger Ford is related to Brian G. Ford, but because they are both British writers who have both written about advanced German weaponry in World War Two it seems quite likely and perhaps Brian, who was writing as early as the 1970s and 1980s, is Roger’s father. If so, the son is still in the father’s shadow, because Brian's German Secret Weapons is much more interesting than Roger's Germany's Secret Weapons in World War Two. Someone who has read even a little about German military aviation in World War II - which should cover most readers - is likely to have come across almost all the aircraft proper in it, for example, except ...