To Snare a Spy: A Short Thriller Set in the South Coast of Cornwall, by Jon Stock.  The Nare Hotel Ltd., 2017 (1^st edition).  Hardcover, 179 pages.  Apparently signed by both authors.  Dust jacket flap states that this is one of a limited edition.  With original ribbon page marker

Light wear.  One page has slight damage to margin, not affecting text.  Unclipped dust jacket has some edge wear.