Here, Stephen R. Palmquist attempts to revolutionise Kant scholarship by demonstrating the high degree of systematic coherence and consistency in Kant's entire philosophical project. By using the principle of perspective as a technical tool, Palmquist reveals the theories in Kant's critical works to be the architectonic elaboration of a single idea. Palmquist asserts that Kant's system cannot be properly interpeted without understanding its essentially constructive, theocentric orientation and its systematic character. Thus, the unity which the author discusses replaces the typical interpretation of Kant's theology and philosophy of religion as an austere, deistic agnosticism and moral reductionism with a richer, more practical framework for theological thinking.