What has the author C I Piff written?

There is no author by the name of "C I Piff" that is widely recognized or listed in any major literary databases. It is possible that this is a misspelling or a pseudonym.

To get a more accurate answer, please provide more information about the author, such as:

* Full name: Is there a full name associated with the initials "C I Piff"?

* Genre: What type of writing does this author specialize in (fiction, non-fiction, poetry, etc.)?

* Books/Works: Are there any specific titles or publications associated with this author?

* Context: Where did you encounter this name (e.g., book cover, website, article)?

With more details, it may be possible to identify the author and their work.