Downsizing my collection ...
RARELY EVER AVAILABLE! "Spy Island" by Michael Annesley published circa 1950 [undated] by Stanley Paul Ltd. 
Red cloth hardback, blocked on spine with text - and a noose! 

No jacket. 216pp

Pretty good condition; not ex-library; sound binding; tanning to f/b endpapers, tiny chip to edge of last couple of pages but text unaffected (see photo).