In his new book, A Brief Theory of Spycraft: Weaving the Tangled Web, Costanzo reveals the classic theoretical underpinnings of his profession in a modern context.
Costanzo is also the author.
But even if not for the casual reader, it will be of interest to many government employees, to security personnel, to anyone attuned to international relations, and to serious espionage buffs.
It is, in effect, a mini-textbook for students and it requires some concentration.
The book is not for everyone.
In his new book, A Brief Theory of Spycraft: Weaving the Tangled Web, Costanzo reveals the classic theoretical underpinnings of his profession in a modern context