Lala Lajpat Rai was one of the outstanding leaders of modern India, a contemporary of Dadabhai Naroji, Tilak, Gokhale and Gandhi. His public life spanned the last decade of the nineteenth century and the first three decades of the twentieth century. He practiced law at the Lahore Chief Court and built up a lucrative practice, but was drawn very early into public activities pertaining to religious, educational and social reforms and then into nationalist politics. Lajpat Rai was one of the foremost leaders of the Indian National Congress. His arrest and deportation without trial to Burma in 1907 created a great sensation in India. He spent the war years (1914-18) in the United States propagating the Indian case for self- government. He returned to India in 1920 and had the honour of presiding over the Calcutta session of the Indian National Congress which approved of Gandhi's campaign for non-cooperation with the government. He was deputy leader of the Swaraj Party in the Legislative Assembly and played a prominent role in provincial as well as national politics in the 1920s. While leading a demonstration against the Simmon Commision at Lahore in 1928 he received injuries in an assault by the police which hastened his death. The sixth volume in the series of The Collected Works of Lala Lajpat Rai covers the period from August 1915 to December 1916 when the First World War was on. Lajpat Rai had arrived in the United States three months after the war broke out. Little did he know that the war would last for four years and he would not be able to return to India until 1920. While in the U.S.A., Lajpat Rai exposed the seamy side of the British rule. Through lectures, articles in newspapers, books and pamphlets he tried to enlighten the American people on the political and economic condition of India. He spoke as an Indian nationalist. His sense of history, his knowledge of international affairs and his style of presenting the nationalist case with facts and figures instantly appealed to liberal thinkers in the U.S.A. and Britain. Lajpat Rai visited Japan in the second half of 1915 and wrote a book on it which he made a telling comparison between the relative costs of administration in India, Japan and the United States.