Book excerpt: These Pathbreaking Essays By Historians, Geographers, Economists And Scholars In Sikh Religion And Punjabi Literature Cover The Whole Span Of Sikh History And Nearly All Its Important Aspects. The Study Covers Sikhism And The Martial And Political Culture Of The Khalsa. Sikh Patronage Of Painting, Journalism, Demographic Change, And Spatial Dispersal Along With The Diaspora Have Also Been Dealt With In This Volume. Contributors Who Have Made This Volume Possible As A Tribute To Professor Indu Banga Include J.S. Grewal, Iqtidar Alam Khan, Joginder Singh, Darshan Singh Tatla, Shinder Singh Thandi, And Gurinder Singh Mann Among Many Others.