What has the author Keavin Hayden written?

It seems you're asking about an author named "Keavin Hayden". However, there is no readily available information about an author with that name. It's possible the name is misspelled or the author goes by a different name professionally.

To help me find what you're looking for, could you please:

* Double-check the spelling of the author's name.

* Provide any additional details you know about the author or their work. (For example, what genre they write in, the title of a book they wrote, or where you encountered their name).

With more information, I might be able to help you find what you're looking for!