New York: Grosset & Dunlap, (ca 1980, c 1974.). Hardcover - When Nancy agrees to help her father solve a mystery, she did not realize that it would result in the kidnapping of her friend Ned Nickerson. Cover by Rudy Nappi. Lists to #56 on back cover and on order form in rear of book. Illustrated with a plain frontispiece and 5 internal drawings. Format 19 with oval endpapers. 181 pp. plus order form. ISBN: 0-448-095513.