جزئیات کتاب
فرمت
جلد سخت
صفحات
32
زبان
انگلیسی
منتشر شده
Feb 28, 2013
ناشر
Crabtree Classics
ISBN-10
0778711250
ISBN-13
9780778711254
توضیحات
What if you wanted to send a message that only a few people could understand? That is when you would use secret signs. 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.