Desolation Island
$75 · Offered by Michael Pyron Books
First edition
London: Collins, 1978. Boards. Very Good+ binding / Very Good+ dust jacket. Item #11320 Octavo. 4 , 276 pp. First edition, first printing. As issued, in textured paper over boards with dust jacket. Very minor rubbing to the board edges; binding with a slight forward lean; dust jacket is a bit sunned at the spine else, quite crisp; price intact on the front flap.
Found via Rare Books Intel, a search across rare-book dealers, auction houses and marketplaces worldwide.