In this compelling investigation, Michael Smith explores the critical moment in a spy's life: that split-second decision to embrace a double life; to cheat and hide and hurt; to risk disgrace - even death - without any guarantee of being rewarded or even recognised.
Looks at the story of evolutionary science and the way Charles Darwin's revolutionary theories changed the world. This title shows how theories developed after Darwin, with modern scientists revealing the secrets of genes and DNA and showing what lies in the future.
