50 codes that changed the world: and your chance to solve them!

S drevnih vremen chelovek pytalsya izobresti shifry, kotorye nevozmozhno vzlomat. Skryvayuschie svyaz vlyublennye, sekretnye soobschestva i tserkovnye ordena, razvedchiki, diplomaty i voennye — lish nebolshaya chast teh, kto stremilsya lyuboy tsenoy sohranit svoi tayny. Peremeschayas mezhdu epohami, istorik i pisatel Sinkler Makkey rasskazyvaet o samyh znamenityh shifrah i deshifrovschikah, ...