Peter, don't worry it's an English ingrained personality trait to defend the 'under-dog' against teutonic onslaughts, Belgium, Greece and Norway come to mind
Being serious now: with regard to Kagero's artwork I think 90% is a major exageration, for example in volume III the artist has placed wartime photographs next to his profiles so that the accuracy can be seen. Can we expect that your book will be filled with superbly crafted and accurate profiles then? Do you have an artist in mind? I can recommend a Serbian, a Slovakian, an Englishman, a couple of Polish chaps and even a frenchman. Sadly only one German (and he works for Kagero)