Alias Blue Mask - Anthony Morton (John Creasey) 1939 - J. B. Lippincott Company, Philadelphia - First American Edition A near fine copy in near fine and thus scarce dust jacket.

Featuring the legendary ‘Baron’, debonair jewel thief turned detective.
  First published by Sampson Low, London the same year under the title ‘Alias the Baron’.

References: Reilly, ’
Twentieth-Century Crime and Mystery Writers’ (1980), 382. James, ‘Great British Fictional Detectives’, 50.

Octavo (book size 19.5x13.7cm), pp. 320. In publisher’s green cloth, spine lettered in yellow, with Lippincott Mystery logo to spine and front panel, top edge tinted green, front edge untrimmed, lower edge trimmed. Dust jacket priced ‘US$2.00’ to lower corner of front flap, and with some thin liners of colour touch-up to front panel edges and folds.
  Condition: Near fine, faint marks to upper board, wear to corners and spine ends with some loss, in near fine dust jacket, fine but for some unnecessary thin lines of colour touch-up to front panel edges and folds.   Ref: 110532   Price: HK$ 3,000