The lectures printed in the present volume were delivered in the University of Cambridge by the author as Deputy for the Regius Professor of Modern History during the academic year 1926–27. Dr Tanner deals with: Religious Questions in the Parliaments of James I; Constitutional Questions in the Parliaments of James I; The earlier Parliaments of Charles I; The eleven years of Non-Parliamentary Government; The Long Parliament and Reform; The Long Parliament and Revolution; The Long Parliament and Civil War; The Long Parliament and the Army; The Rule of the Purged Parliament, 1649–1653; The Parliament of Saints and the first Parliaments of the Protectorate; The Restoration; The Pension Parliament; The Policy of Exclusion; The Revolution of 1688.