8vo. [5], vi-viii, [3], 2-312, [6] pp. Maroon publisher's cloth with silver lettering on the spine. Jacket design by Martin Miller. A few in-text diagrams. A collection of Smart's essays on utilitarianism, scientific realism, causation, and other topics in philosophy. One leaf with a tiny corner crease, a touch of foxing to the top edge of the textblock.