http://amzn.to/N8zVWH
When spies go rogue, they need to be stopped. That's where John Purkiss - the Ratcatcher - comes in.Purkiss's job is straightforward. Track down members of the intelligence services who are taking kickbacks, engaging in criminal activity, or otherwise abusing their positions, and bring them to justice.
Straightforward doesn't mean easy...After a renegade British former
