Librería Samer Atenea
Librería Aciertas (Toledo)
Kálamo Books
Librería Perelló (Valencia)
Librería Elías (Asturias)
Donde los libros
Librería Kolima (Madrid)
Librería Proteo (Málaga)
From the author of Fantômas, this World War I espionage thriller, first published in 1919, follows a group of French patriots as they struggle to prevent the the Kaiser and his dastardly “Boches” from recovering a certain yellow document containing the plans for a secret weapon that could decide the outcome of the war.