* The name is incorrect. There might be a spelling error or a different order of the names.
* The author is relatively unknown. It's possible the author has published under a different name or has not achieved widespread recognition.
* The information is simply unavailable online.
To find more information, you could try:
* Checking for different spellings of the name.
* Searching for the author's name on library databases or online booksellers.
* Looking for publications related to the author's potential area of expertise.
Without more details about Norma Jean Erdmann Chadbourne's writing style or subject matter, it's difficult to provide a definitive answer.