CHRISTIE, AGATHA. The Under Dog by Agatha Christie and Blackman's Wood by E. Phillips Oppenheim. London: The Readers Library Publishing Company Ltd., n.d. [1929]. 12mo, original maroon gilt boards; lurid pictorial dust jacket. FIRST EDITION. The Christie Hercule Poirot story occupies some 142 of the book's 188 pages. A fine copy.