New York: Grosset & Dunlap, 1945. For sale is a collection of 27 Bobbsey Twins books. The books that are missing are volumes 2, 5, 6, 15, 16, 24, 29, 31, 34, 37, 39, and 40. Measuring approximately 7.75" x 5.25". These volumes are in very good plus.....