Fra forlagets omtale: The third in David Ashton's series of McLevy books, A Trick of the Light sees McLevy team up with Arthur Conan Doyle to pursue a ruthless killer. It is 1860 and a Confederate officer, Jonathen Sinclair, arrives in Edinburgh with a sheaf of money to purchase a blockade-runner from Clydeside shipbuilders. He is betrayed to the Union forces and brutally shot dead by their secret agents.