* The name is misspelled: Double-check the spelling and try searching again.
* The author uses a different name: Perhaps they use a pseudonym or a different name for their works.
* They are a less known author: It's possible they've published independently or in niche genres, making them harder to find.
To help find more information, you could try:
* Searching for their work with different spellings: Even one letter off can make a big difference in search results.
* Looking up their work in online databases: Websites like WorldCat, LibraryThing, or Goodreads might have information on the author or their works.
* Checking for publications in specific genres or fields: If you have an idea of what they might write, focus your search on those areas.
* Asking in online writing communities: Forums or social media groups dedicated to writing might be able to help identify the author.
Please provide any additional information you have about Cyril John Marden, such as potential genres they write in, their approximate publication dates, or any other details that might help narrow down the search.