Collins Crime Club, 1973.
First edition, first printing. 8vo. Green boards with gilt lettering to spine. Pictorial dustwrapper. A fine copy with clean boards. No marks to textblock edges. Internally crisp with no inscriptions. The near fine/fine dustwrapper is complete with only the lightest wear to extremities. Original unfaded green lettering on spine - scarce thus. Original price of £2.00net to front flap.
Tommy & Tuppence inherit some worthless bric a brac for their old house in the country. Some random underlinings in an old copy of Stevenson's "The Black Arrow" spell out a disturbing message for Tuppence.
Wagstaff & Poole p.219