Problem solving and logical thinking
By: design and text by Josephine and Richard Andree ; with the assistance of Carolyn Thomson.
Contributors: Andree, Richard Vernon, 1919-
Publisher: Mu Alpha Theta, National High School and Jr. College Mathematics Club, University of Oklahoma]
Published: 1978
Place of publication: [Norman, Okla
Language: eng
Subjects: Mathematical recreations.; Problem solving -- Problems, exercises, etc.; Puzzles.; Thought and thinking -- Problems, exercises, etc.
Table of contents: value: [v.1] Secret ciphers.; value: [v.2] Solving ciphers.; value: [v.3] Sophisticated ciphers.  Prelim. trial ed.; value: [v.4] Cryptarithms.; value: [v.5] Logic unlocks.