The Student Christian Movement was one of the most influential movements in the 20th century. This book is the story of 'the SCM tradition' as it began and developed, as it suffered division, struggle and perhaps went astray, and as it has sought to rediscover its roots, as it faces the future in hope. "Robin Boyd shows just how much the ecumenical movement of the twentieth century owes to the SCM. So why did a movement that changed the course of church history decline in the late 1960s? Here is a well argued, penetrating and convincing answer which sheds light on today's complex ecumenical scene and has implications for the future direction of the ecumenical journey." Mary Tanner, Vice-President, World Council of Churches