Explore the profound connections between Indian theism and Christianity in Frank Lillingston’s insightful study, “The Brahmo Samaj & Arya Samaj in Their Bearing Upon Christianity.” This book critically examines the Brahmo Samaj’s theological landscape, tracing its origins with Rammohun Roy and its evolution under Debendra Nath Tagore. It offers a detailed analysis of the strengths and weaknesses of these influential Indian religious movements, scrutinizing their interactions with Christian doctrines. Lillingston delves into the rejection of Christ by the Sadharan Brahmo Samaj and the Arya Samaj’s interpretation of Vedic scriptures. Essential reading for scholars and students interested in comparative religion, Indian religious thought, and the history of theism, this work champions open dialogue and a deeper understanding of shared spiritual premises.