MURDER MOST IRREGULAR.
Edition: First printing.
New York: St Martin's, (1983) dj. Hardcover first edition - "Concerning the Baker St Irregulars" - on the eve of their annual dinner honoring Sherlock Holmes each one receives a death threat.Author's prologue. xiv, 173 pp. ISBN: 0-312553137.
Condition: Fine in a very near fine dust jacket (crease to rear flap of dj)