What has the author Leslie Charteris Coffin written?

There doesn't seem to be an author named "Leslie Charteris Coffin". It's possible that you've misremembered the name or that the author uses a different pen name.

Could you please double-check the name or provide any additional information about the author's work?

For example, do you know:

* Any genres they write in? (e.g., mystery, romance, science fiction)

* Any specific titles or series they've written?

* Any information about their nationality or time period of activity?

With more information, I might be able to help you find the author you're looking for.