Your questions and proposals always are welcomed.
If You want to send us a message about our bookshop or our books, please feel free to send us your notice either:
or by our shop message form:
A response could take some time, depending on the actual number of incoming e-mails.
The fastest way to find answers to your questions could be to use the internal searchengine on the website of the author Dr. Johann Georg Schnitzer:
Shouldn't you find the answers there, you will find them for sure in his books.