Akkerman and Langman reconstruct the tools of early modern intelligence - ciphers, inks, seals, locks, poisons - and show that the cycle of measure and countermeasure was already fully formed.
How Britain moved American opinion in wartime Washington through dinner parties, patrons and placed stories — a study in influence operations that needed no burglary, only access.
Two German volumes on cyber conflict, written from Berlin rather than Washington. Gaycken's argument: for European industry the threat is patient theft of technical intellectual property, not spectacular disruption.
In the 1950s the CIA hired a stage magician to write a manual on deception. Melton and Wallace reproduce it — and its lesson on attention is the mechanism behind pretexting.
What an executive background investigation can establish, how to assess records and references, and how to define a relevant, proportionate scope for a senior appointment.