Title: Graph Theory in America: The First Hundred Years, Author: Robin Wilson
Title: Secret Messages: Concealment Codes And Other Types Of Ingenious Communication, Author: William S. Butler
Title: Elemente der diskreten Mathematik: Zahlen und Zählen, Graphen und Verbände, Author: Volker Diekert
Title: A Classical Introduction to Cryptography Exercise Book, Author: Thomas Baigneres
Title: Codes and Ciphers - A History of Cryptography, Author: Alexander D'Agapeyeff
Title: Six Degrees: The Science of a Connected Age, Author: Duncan J. Watts
Title: Genetic Algorithms And Robotics: A Heuristic Strategy For Optimization, Author: Yuval Davidor