More Cloak than Dagger is Molly J. Sasson’s personal story of her forty years in the secret services monitoring Nazism and communism in Britain, Holland and Australia. (She retired in 1983 before the era of terrorism.) But it is her cool appraisal of the Australian Security Intelligence Organisation (ASIO) that will command most attention and raises still unanswered questions of great importance. Despite ASIO’s historic success in managing the defection of the Petrovs in 1954, it remains Sasson’s conviction that “a number” of ASIO officers betrayed Australian, British and US secrets to the Soviet Union over many decades. She relies…