TY - BOOK AU - Berloquin, Pierre TI - Hidden Codes and Grand Designs: Secret Languages From Ancient Times To Modern Day SN - 978-1-4027-7300-6 U1 - 400 PY - 2008/// CY - New York PB - Sterling KW - Secret Languages--Covert Communications--Secret Symbols N1 - Includes Bibliographic References and Indexes ER -