What has the author Gh Rangu written?

There is no author named "Gh Rangu" that I am aware of. It's possible the name is misspelled or that the author is not well-known.

To help me find the correct author, could you please:

* Double-check the spelling of the author's name.

* Provide any other information you have about the author, such as their nationality, genre they write in, or any books they might have written.

Once I have more information, I'll be able to assist you further.