Secret signs
by James Bow
Popularity 1
Readers will be intrigued by the examples of codes and ciphers used by ancient and modern armies, organizations with secret rituals, mysterious designs etched into the ground, symbols of ancient royalty, and stone buildings and statues whose purpose are no longer known.
SymbolismCuriosities and wondersJuvenile literatureSigns and symbolsSign language, juvenile literatureCryptography