Делвинска, Е. 2024. In the Labyrinths of Intelligence in Antiquity and the Middle Ages. Review: Liliana Simeonova, In the Half-Shadows of History. Communications, Espionage and Poisonings throughout the Ages. Sofia: IB&CT-BAS, Iztok-Zapad Publishing House, 2022, 415 p. Drinovsky sbornik. 16, (Mar. 2024).