8vo. Original variant red cloth lettered in black; publisher's unrestored dust jacket (rubbing, very small loss to spine head).

FIRST EDITION, IN FIRST ISSUE DUST JACKET with "7/6 net" price on spine and Helen Prothero Lewis advertisement on rear flap. Fergus Hume was an English novelist whose first work, The Mystery of the Hansom Cab, was acknowledged by Sir Arthur Conan Doyle as being the primary inspiration for A Study in Scarlet, the first work to feature Sherlock Holmes.

[With]: HUME. A group of 4 FIRST EDITIONS, comprising: The Crime of the Crystal. London: Digby, Long, & Co., 1903. -- The Mandarin's Fan. New York: G.W. Dillingham Company, 1904. -- The Disappearing Eye. London: Digby, Long, & Co., 1909. -- The Peacock of Jewels. London: Digby, Long, & Co., 1910. INSCRIBED BY HUME TO H. PERCY GARLAND, "With kind regards." Provenance: Florence and Edward Kaye (morocco bookplate). -- Together, 4 works in 4 volumes, all 8vo, all in original cloth, condition generally fine.