Dell D321. Corners bumped, some edge wear esp. along spine. A fairly tight, attractive copy. Number 25 in the Dell Great Mystery Library, and the only mystery by the renowned creator of Winnie the Pooh.
"The 'Impossible Murder'. . . It couldn't have happened. . . but it did. He couldn't be a killer. . . but he was. Incredible as it seemed , the always fastidious Mark Ablett had actually murdered his own brother, in cold blood and in broad daylight. . . and then disappeared, before the very eyes of a household of week-end guests. Those were the facts. But what, now, was the future? For Mark, wherever he was. . . for the guests in the Red House, including the unknown uninvited one, who knew much more than he healthfully should."; 16mo - over 5¾" - 6¾" tall