The German edition is essentially the same as the French, and all the superlatives Pete dug out of his thesaurus apply to it too, but the brothers have taken the opportunity to add some extra diagnostic features they have tried and tested since the first version. I won't give any spoilers here ...

I've no idea if or when travel to Switzerland is going to be a realistic prospect in 2021, but anyone hoping to get out there might be interested in this book. Both the French and the German versions are available here:
http://lepido.ch/guide-d-identification.html
Guy