Drug Trial, , HarperCollins Publishers, S. R. Masters,Crime & mystery,Fiction & related items, medical;trial;summer reading;locked-room;thriller;suspense fiction;hospital;medication;drugs;unreliable narrator;Canary Islands;Spain;destination;holiday,, , United Kingdom, en-GBhttps://www.harpercollins.co.ukmedical;trial;summer reading;locked-room;thriller;suspense fiction;hospital;medication;drugs;unreliable narrator;Canary Islands;Spain;destination;holiday, [BLURB],[CITY],,books, ebooks, biblet, Book2look