London: W. Pickering, 1820. [4], 195, [1] pages. Portrait frontispiece by R. Grave. Portrait bust of Francis Bacon on last page. Bound in full vellum gilt with a black title label. Bin ding: 8.3 x 5 cm. The first edition, first issue, of the first title in Pickering's Diamond Classic Series, and by far the scarcest title in the series in first edition form. Lacks the corrigenda at end, else a handsome copy. See Bondy page 86.