As the voice of ABC Radio’s leading current affairs program PM, Mark Colvin is a broadcasting legend. Mark has been covering local and global events for more than four decades, witnessing some of the most world-changing events, including the Iranian hostage crisis, the build-up of the first Gulf War in Iraq and the direct aftermath of the shocking genocide in Rwanda. In the midst of all this he discovered his father was an M16 spy. In his new autobiography Light and Shadows Mark tells the incredible true story of a father waging a secret war against communism during the Cold War, while his son comes of age as a journalist during the tumultuous Whitlam and Fraser years and embarks on a risky career as a foreign correspondent. Mark Colvin’s engrossing memoir takes you inside the coverage of major news events and gently navigates the complexity of his father’s double life as a diplomat and spy.