They Were Seven (A Mystery) [Jacket title: They Were 7]

New York: Macmillan Company, 1945. Very Good/Very Good -. New York: Macmillan Company, 1945. First American Edition, First Printing Stated. Octavo; publisher's cloth in clipped pictorial dust jacket retaining original price ($2.50); [6],371pp. Jacket chipped and worn along extremities with several tiny losses and ragged short closed tears with subsequent creasing, rear panel a bit dust-soiled, corners tapped, endpapers lightly toned, else Good to Very Good overall.

Ghoulish tale of seven cousins each equipped with a packet of poison for their rich elderly uncle aptly named Hannibal Knott.