THE VANISHING OCTANT MYSTERY.
Edition: First printing.
Garden City, NY: Doubleday, 1949. dj. Hardcover first edition - Seaman's hard-to-find last book, a mystery inspired by a navigator's octant, bearing the inscription 'Tower Hill, London, April 1778' which she found washed up on the beach after a storm. Illustrated with black and white drawings by Ursula Koering. 206 pp.
Condition: Near fine in very good+ dust jacket. Minor edgewear to the dustjacket, but overall an exceptionally attractive copy of a rather scarce book.