De Furtivis Literarum Notis
|De Furtivis Literarum Notis|
|Author||Giovan Battista della Porta|
Manuscript written by Giovan Battista della Porta in the 1500s.
In it, it describes the use of a deck of card to encode secret information by writing on the sides of the deck in a known order, then shuffling the cards to destroy the order and render the message illegible to anyone not familiar with the stack. The plot of Unshuffled later contained this idea.
|Category:Books by author||Category:Books by publisher||Category:Books by year|
|Early Magic Books||Bibliographies||Magic themed novels|