A version of the Dark Shepherd cover that wasn't used. Recon 3, the tug from the Salvage ship Windfall on the edge a massive implosion.
Dark Shepherd the novel is available here
Amazon
https://amzn.eu/d/4JCbkuG
Newcon Press.
http://www.newconpress.co.uk/info/book.asp?id=237&referer=Catalogue