What has the author Mike McGrath written?

It's impossible to say for sure who you mean by "Mike McGrath" without more information. There are several authors with that name, and it's also a fairly common name.

To help me figure out who you're asking about, could you please provide more context? For example, you could tell me:

* What genre does Mike McGrath write in? (e.g., fiction, non-fiction, science fiction, etc.)

* What are some of the themes or topics he writes about? (e.g., gardening, history, mystery, etc.)

* Do you have any titles or specific works by him in mind?

With more details, I can hopefully identify the correct Mike McGrath and provide information about his writing.