Destination Unknown - Agatha Christie 1954 - Published for The Crime Club by Collins, London - First Edition A Secret Service thriller from the Queen of Crime.

When a number of leading scientists disappear without a trace, concern grows within the intelligence agency. When the only possible lead dies in a plane crash, a British spy must persuade a potential suicide that if she must die, it may as well be in the service of her country.
  First published by the Collins Crime Club on November 1, 1954 and in New York by Dodd, Mead and Company in 1955 under the title of So Many Steps to Death.

Dame Agatha Christie, Lady Mallowan, DBE (1890 - 1976) - the first of the really distinguished women writers in the field of detective fiction.

Provenance: Small contemporary gift inscription dated January 1955 to front.

References: Wagstaff & Poole,
A Christie Biography, 205. Cooper & Pike, Detective Fiction 82. Agatha Christie, web. Agatha Christy Fandom, web.

Octavo (book size 19.1x13cm), pp. 192. In publisher’s orange cloth, spine lettered in black. Dust jacket priced ‘10s. 6d. net’ to lower corner of front flap.
  Condition: Fine, minor toning to page edges, in near fine dust jacket, lightly toned to spine, some rubbing to corners and spine ends, short closed tear to head of spine.   Ref: 110192   Price: HK$ 1,500