London: John Darby for the Author, 1721. In two volumes. Second edition of Giacomo Leoni's English edition. Folio. (xii), 93; (ii), 90, (iv) pp. Illustrated with engraved portrait of Palladio and engraved frontispiece in first volume, and, throughout the set, 218 engraved plates on 203 leaves (including 15 double-page plates), as well as 12 engraved in-text plates. Full contemporary brown calf, stamped in gilt, boards rubbed and worn, extremities rubbed and worn, spines rubbed and blistered; edges stained red; marbled endpapers; minor offsetting from plates onto text; scattered darkening to edges; scattered marginalia in pencil; with the armorial book-plate of English magistrate and author, Robert Mackenzie Beverely, on front paste-down of each volume.

Second edition of Leoni's English translation of Palladio's monumental work, containing new typesetting, but reusing the same plates from the first edition.