TY - BOOK T1 - Unsolved! T1 - the history and mystery of the world's greatest ciphers from ancient Egypt to online secret societies AU - Bauer, Craig P. PY - [2017] PY - © 2017 PB - Princeton University Press CY - Princeton CY - Oxford LA - eng N1 - print SN - 9780691167671 KW - Ciphers KW - COMPUTERS KW - MATHEMATICS N1 - Includes bibliographical references (pages 557-598) and index N1 - : A king's quest N1 - : Ancient ciphers N1 - : Dorabella N1 - : Zodiac N1 - : More killer ciphers N1 - : From the victims N1 - : From beyond the grave? N1 - : A challenge cipher N1 - : More challenge ciphers N1 - : Long ciphers N1 - : ET and RSA ER -