: The book covers a vast timeline, including: Intelligence structures during the Hundred Years' War .
You can find the book at major retailers and platforms like: Amazon Spain Audible (Audiobook version) Lectulandia or Perlego (Digital versions) Dr. Eduardo Juárez Valero - Grupo de Investigación INISEG
: Written in a "chronicle" style, it focuses on the curious, the overlooked, and the surprising anecdotes that typically don't make it into standard academic textbooks. About the Author
This work explores the "invisible" history of intelligence and secret services, moving beyond the cinematic clichés of James Bond to reveal how spying has shaped global events from antiquity to the modern era.
Secret operations and decryption during (such as the Enigma machine). The evolution of intelligence during the Spanish Civil War .