Benjamin provides new and important readings of key canonical texts in the history of philosophy in his sustained philosophical reworking of ontology. Amongst texts included are Hegel's Difference Essayand the Shorter Logicand Heidegger's Time and Beingand The Question of Being. The effective presence of ontology, defined as `an original difference', will be familiar to readers of his earlier writings. This book represents his most thorough and original contribution to contemporary philosophy to date.