It's possible:
* The name is misspelled or a pseudonym: There may be a similar author with a slightly different name.
* The author is not widely published: Perhaps they write in a niche genre or haven't published widely.
* The information is inaccurate: There might be a misunderstanding or error about the author's existence.
To find more information, you can try:
* Searching for "Max Edwin Bircher" online: Include keywords related to potential genres or topics.
* Checking online library catalogs: See if any libraries list books by this author.
* Contacting publishing houses or literary organizations: They may have records of publications.
Please provide more details if you have them, like the genre or any potential titles, which may help in locating the author.