Geo-restricted KDP freebie (not available to Canadians, even though this is a Canadian author who's been nominated for our Arthur Ellis Award for mystery/crime fiction, sigh):
Blood Price (Dark Places Of The Earth) by Jon Evans. Tourism gone horribly wrong into human trafficking/conspiracy thriller, originally out from HarperCollins in 2004.
Repeat small-press anthology including Paul Levine, Dave Zeltserman, et al.:
Intrigue (Stories of Suspense)