What has the author Doug Hellinger written?

There is no widely known author named Doug Hellinger. It's possible there is a lesser-known author with that name, but without more information, it's impossible to say what they may have written.

It's possible you are thinking of a different name or have a misspelling. To help me identify the author you're looking for, could you please provide:

* Any other details about the author: For example, their genre, approximate publication dates, or any specific books you remember.

* Any other information about the book: For example, the title, the cover, or a brief summary.

With more information, I can help you find the author you're looking for.