"The best single book on cryptology today." -- Cryptologia (from a review of a previous edition)
From the reviews of the fourth edition:
"This comprehensive updated edition is divided into two sections. The first part of the book deals with The People and the second concentrates on The Machinery. ... This volume includes 191 Figures, 29 Tables and 16 Color Plates, plus an Appendix. ... Friedrich L. Bauer Professor Emeritus of Mathematics and Computer Science ... has written an outstanding book on cryptology that belongs in your personal library or as a gift for a friend. ... There are other fascinating sidelights to this excellent book." (The Cryptogram, Page 15, 2007)
"By far the best single work on the subject." -- David Kahn
"synopsis" may belong to another edition of this title.