Grosset Dunlap. Copyright 1949. Print run 1959D-25. Original 25-chapter text. #26 in the series. Authorship is credited to George Waller, Jr., writing under the Stratemeyer Syndicate house pseudonym "Carolyn Keene." Good book with some spine sunning and wear at the very top and bottom of the spine (see second picture). Prior owner name/address in ink on the reverse of the pre-text titles page. On the pre-text title page, titles are underlined in ink. Beyond that, no other writing or marking. Good hinges. Discolored page block (see third picture). Lovely collectible blue/white multipictorial endpapers. Good dust jacket with some corner wear and chipping, the worst at the spine top of the jacket. Front flap lists to Nancy Drew Pavilion, rear flap lists to Cherry Ames Hilton Hospital, and the jacket rear lists to Dana Girls Haunted Lagoon. Now protected in removable mylar covering. ND26rg