First edition, first impression.
Publisher's cloth in an unlipped dust wrapper.
The wrapper rather worn, with heavy loss to the top of the front joint affecting the head of the spine and front panel, resulting in crease damage surrounding.
Loss to the corners of the wrapper, a large closed tear affecting the rear panel, with both closed and open tears affecting the edges; internal label reinforcements to rear panel.
The book lightly bumped to the ends.
Book Club ex libris bookplate to the front pastedown.
A first edition in an unclipped wrapper of Simpson's unusual early science fiction work.