Hardcover.

First edition, first impression in first impression dust jackets. Original publisher's dark blue cloth with gilt titles. Bindings are square with sound hinges. No bumping to corners, but a bit of rubbing to the colour. No writing/markings. Dust jackets have toning to spines, chipping to corners, and fraying along edges of spines. Vol II dust jacket has two long parallel archivally mended tears to front panel.