The Miracle of Trees: Their Life and Biology

Codes and Ciphers - A History of Cryptography

Ukraine and Russia: A Survey of Their Economic Relations (Classic Reprint)

Caps for Sale: A Tale of a Peddler, Some Monkeys and Their Monkey Business

Islam and Judeo-Christianity: A Critique of Their Commonality

Ten Years to Midnight: Four Urgent Global Crises and Their Strategic Solutions

Sigils, Ciphers and Scripts

Animal Happiness: A Moving Exploration of Animals and Their Emotions