* The name is misspelled. Please double-check the spelling and try again.
* The author is not widely known. There are many authors out there, some with limited public profiles.
* The author uses a pseudonym. It's possible the author uses a different name for their published works.
To help me find the correct information, could you please provide any additional details you may have about Erich Weigold, such as:
* Genre of writing: What kind of books does he write? (e.g., fiction, non-fiction, poetry, etc.)
* Subject matter: What are his books about? (e.g., history, science, romance, etc.)
* Any other known information: Do you know anything else about him, like his nationality or approximate publishing dates?
With more information, I can do a better job of finding the author and his works.