* You are misremembering the author's name. Perhaps there is a slight difference in the spelling, or a middle initial is incorrect.
* The author uses a pen name. Many authors choose to publish under pseudonyms.
* The author is relatively unknown. There are many authors who write for smaller audiences or who are just starting their careers.
To help me find the correct author, please provide more information:
* What kind of books do you think W.G. Heslop wrote? (e.g., fiction, non-fiction, genre)
* Do you remember any specific titles or characters from their work?
* Do you know approximately when the books were published?
With more details, I can help you find the author you are looking for.