Librería Samer Atenea
Librería Aciertas (Toledo)
Kálamo Books
Librería Perelló (Valencia)
Librería Elías (Asturias)
Donde los libros
Librería Kolima (Madrid)
Librería Proteo (Málaga)
First published in the 1970s by Jerome Clauser, this book was used by intelligence analysts to track and monitor the Communist threat. Although today's environment has changed considerably, analysts still need to understand the basics. The book focuses on how to research, what qualities are needed to be an intelligence analyst, and what methods can be used.