of collective security. However, in June 1936, in the wake of the bestsellerdom of Testament of Youth on both sides of the Atlantic, she was invited to speak at a vast peace rally at Maumbury Rings in Dorchester, where she shared a platform with various pacifists, including sponsors of the Peace Pledge Union, the largest pacifist organisation in Britain: Dick Sheppard, George Lansbury, Laurence Housman, and Donald Soper. Afterwards, Sheppard invited her to join the Peace Pledge Union as sponsor. Following six months' careful reflection, she replied in January 1937 to say she would. Later that year, Brittain also joined the Anglican Pacifist Fellowship. Her newly found pacifism, increasingly Christian in inspiration, came to the fore during the Second World War, when she began the series of Letters to Peacelovers. She was a practical pacifist in the sense that she helped the war effort by working as a fire warden and by travelling around the country raising funds for the Peace Pledge Union's food relief campaign. She was vilified for speaking out against saturation bombing of German cities through her 1944 booklet, published as Seed of Chaos in Britain and as Massacre by Bombing in the United States. In 1945, the Nazis' Black Book of nearly 3,000 people to be immediately arrested in Britain after a German invasion was shown to include her name. From the 1930s onwards, Brittain was a regular contributor to the pacifist magazine Peace News. She eventually became a member of the magazine's editorial board and during the 1950s and 1960s was "writing articles against apartheid and colonialism and in favour of nuclear disarmament". In November 1966, she suffered a fall in a badly lit London street en route to a speaking engagement at St Martin-in-the-Fields. She attended the engagement, but afterwards found she had fractured her left arm and broken the little finger of her right hand. These injuries began a physical decline in which her mind became more confused and withdrawn. Around this time the BBC interviewed her; when asked of her memories of Roland Leighton, she replied "who is Roland"? Brittain never fully got over the death in June 1918 of her beloved brother, Edward. She died in Wimbledon on 29 March 1970, aged 76. Her will requested that her ashes be scattered on Edward's grave on the Asiago Plateau in Italy – "...for nearly 50 years much of my heart has been