Frontier Worlds

From Author Wars - https://authorwars.com/publications/frontier-worlds-692278.html

Overview:

Title: Frontier Worlds
Author: Scott Harrison
Year: Unpublished
ISBN-10: 9781911390008
Publisher: Snowbooks
Pages: 540
Binding: Hardcover
Type: Anthology
Title Reference: The Expert System's Brother
Notes: Data from Amazon.co.uk and Google Books; contents from editor's website. Although Amazon and Google give a publication date of June 1, 2017, actual copies of this book don't seem to exist (none listed for sale used, or on Goodreads or LibraryThing), and there are no post-publication mentions of the book on the internet. Adrian Tchaikovsky, one of the authors listed for this short story collection, mentioned on twitter that it never happened. This book most likely doesn't exist.