What has the author Nina Hill Robinson written?

It seems you're asking about an author named "Nina Hill Robinson," but there's no readily available information about an author with that exact name. It's possible that:

* The name is misspelled. Could you double-check the name?

* The author uses a different name. Perhaps they publish under a pen name or have a middle name they don't always include.

* The author is relatively new or unknown. It's possible they haven't yet gained wide recognition.

To help me find more information, could you provide any additional details you know about this author or their work? For example:

* Genres they write in: (e.g., fantasy, romance, historical fiction)

* Titles of any books they've written:

* Any other information about them: (e.g., where they're from, where they might have been published)

With more details, I can assist you in finding out more about this author!