* The name is misspelled. Double check the spelling to ensure you have the correct author.
* The author is relatively unknown. There are many talented writers who haven't gained widespread fame.
* The author may have published under a different name. Some authors use pen names.
To find more information, try these steps:
1. Check online databases: Search for "George Sinkler author" on websites like Goodreads, LibraryThing, or WorldCat.
2. Look for published works: Search online bookstores or libraries for books by this author.
3. Check for biographies or articles: Try searching for information about the author in online encyclopedias or literary journals.
If you can provide any additional information about the author or their work, such as the genre they write in or any specific titles, it would be easier to help you find more details.