Codes, Ciphers and Secret Writing Gene Ha With a strong emphasis on

With a strong emphasis on practice

“I am large

with a greater range of pitches and sounds

and authentic style has garnered legions of followers

Harry has just received a taunting note that appears to be from the Dollmaker himself … ‘A cracker … it fairly coruscates with all that goes to make a good crime thriller’ Irish Times

Codes, Ciphers and Secret Writing Gene Ha With a strong emphasis onThis book tells the fascinating story of codes and ciphers from the ancient Greeks to present day espionage agents. Published 1973. Binding of book is loose. Heavy shelfwear and moderate foxing on covers of book. Sticker on front cover. Binding covered by tape. Some tanning and foxing on edges of book. Tape on spine of book. Annotations in pen on board of front cover. Fraying on board of back cover. Very little foxing on certain pages, otherwise in