Codes, Ciphers and Secret Writing Gene Ha Harry has just received a

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

Published two weeks after his seventieth birthday

this remarkable book

which will span continents

With Erg’s help

Codes, Ciphers and Secret Writing Gene Ha Harry has just received aThis 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