What has the author C S Harris written?

There is no well-known author named "C.S. Harris". It's possible you're thinking of:

* C.S. Lewis: A famous author known for works like *The Chronicles of Narnia* and *Mere Christianity*.

* C.J. Harris: An author of Christian fiction.

* Charles S. Harris: A theologian and author who wrote a book called *The Authority of Scripture*.

To help you find the author you're looking for, please provide more context or information. For example, you could tell me:

* The genre of the book you're interested in.

* The title of the book.

* Any other details you remember about the author.

With more information, I can better assist you.