The truth of any philosophical thesis cannot depend on what happens to be currently fashionable, but rather must stand on the soundness of philosophical argument. To this end, The Vindication of Absolute Idealism is a bold statement of Sprigge's conclusions, a synthesis of panpsychism and absolute idealism, which he contends is the most satisfactory solution to the question of the nature of consciousness and the mind-body problem. Sprigge's view of...