This volume is an omnibus edition of four classic studies on the history and evolution of Sikhs and Sikhism, by one of the world's leading scholars in this field. It comprises Guru Nanak and the Sikh Religion, an analysis of the life and teachings of the first Guru of the Sikhs; Early Sikh Tradition, in which McLeod traces the origins of the janam-sakhi style; The Evolution of the Sikh Community, an essay questioning traditional views of Sikhism's development; and lastly Who is a Sikh?, a lucid account of key phases in the evolution of a distinctive Sikh identity.