Twenty of the best espionage novels

At the Waterstones blog, Mark Skinner tagged "twenty great titles are suffused with shadowy, smoke-filled subterfuge and high stakes games of national security," including:

The Trinity Six
Charles Cumming

An irresistible reimagining of the notorious Cambridge Spies scandal, The Trinity Six sees a Cold War academic on the trail of the sixth member of the traitorous ring. Intelligently written and tightly plotted, Cumming’s thrilling novel takes us into the dark heart of a Europe lethally divided.

Read about another entry on the list.

--Marshal Zeringue