What has the author W D Sayle written?

It seems you're looking for information about an author named W.D. Sayle. However, there's no widely recognized author with that exact name. It's possible:

* You've misspelled the name. Perhaps you're thinking of a different author with a similar name. Could you double-check the spelling?

* It's a pseudonym. Many authors use pen names. Do you have any other information about this author, like the genre they write in or any books they've published?

If you can provide more details, I might be able to help you find the author you're looking for.