* The name is misspelled: Check for any variations in spelling (e.g., Albert A. Delia, Albert DeLia).
* The author is relatively unknown: It's possible they have written, but their work hasn't gained widespread recognition.
* The author uses a pen name: They may have published under a different name.
Could you please provide any additional information? This might help me find the author you're looking for. For example:
* Genre or subject matter: What type of books do you think they might have written?
* Approximate publication date: When do you think their books were published?
* Any other details: Do you know anything else about the author or their work?
With more information, I may be able to help you find the author you're looking for.