An updated revision of the first comprehensive overview of intelligence designed for both the student and the general reader, Silent Warfare is an insider? s guide to a shadowy, often misunderstood world. Leading intelligence scholars Abram N. Shulsky and Gary J. Schmitt clearly explain such topics as the principles of collection, analysis, counterintelligence, and covert action, and their interrelationship with policymakers and democratic values. Military Intelligence History Reading List 2012.