* The name is misspelled. Check for variations or possible middle names.
* The author used a different name. Some authors use pseudonyms.
* The author is not well-known. Many authors are not widely recognized.
To help me find information, can you provide any additional details you know about Edmund Harry Tattersall? For example:
* Genre of writing: Is it fiction, non-fiction, poetry, etc.?
* Time period: When was the book published?
* Any other information: Do you know the title of the book or anything else about it?
With more information, I can help you find the author and his works.