Teenage head of a Soviet police aquad, Sergei Kourdakov led vicious attacks on Christian believers - until the courage of a girl he had beaten led him to defect to the West in search of the Christians' God. He died at 21. The book he left behind is a moving testimony to the power of God to change a life, It is also a unique and graphic account of a childhood in a Soviet orphanage; and a youth moulded by Communism.