Brown vs. the Martians

From Author Wars - https://authorwars.com/books/brown-vs-the-martians-2544661.html

Overview:

Title: Brown vs. the Martians
Author: J. A. Campbell
Year: 2014
Type: Short Fiction
Series: Brown, Ghost Hunting Dog

Editions/Publications:

2014 . Brown, Ghost Hunting Dog (2014, J. A. Campbell, Inkwolf Press, ISBN-10: 9780692316122, $14.99, 264 pages, Trade Paperback, Collection)
2015 . Brown, Ghost Hunting Dog (2015, J. A. Campbell, Inkwolf Press, $3.99, ebook, Collection)