Evidence of Absence

From Author Wars - https://authorwars.com/books/evidence-of-absence-2308695.html

Overview:

Title: Evidence of Absence
Author: H. S. Graves
Year: 2017
Type: Short Fiction

Editions/Publications:

2017 . Test Patterns (2017, H. S. Graves, Planet X Publications, ISBN-10: 9780692999981, $16.99, 240 pages, Trade Paperback, Anthology)
2017 . Test Patterns (2017, H. S. Graves, Planet X Publications, $6.99, ebook, Anthology)