What has the author E Stewart Hunter written?

It appears you are referring to E. Stewart Hunter, a science fiction author. However, there is very limited information available online about this author. There are no books or works attributed to them on common databases like Goodreads or LibraryThing.

It is possible that:

* The author's name is incorrect or incomplete. There might be a misspelling or missing middle name.

* The author published under a pseudonym. This is common in the publishing industry.

* The author published only a limited amount of work. This could explain the lack of information online.

To find more information, you could try:

* Searching for the author's name with different spellings or variations.

* Checking older book databases or catalogs.

* Contacting a library or book archive that specializes in science fiction literature.

If you can provide more context about the author, such as the titles of any works they have written or the time period of their writing, it may be easier to find more information.