Grosset Dunlap. Copyright 1939. Print run 1960A-49. Original 25-chapter text. It is valued in the most recent Farah's Guide at a $31.00 value when both book and jacket are in "very good" condition. #16 in the series. Author was Mildred A. Wirt Benson writing under the Stratemeyer Syndicate house pseudonym "Carolyn Keene." Very good book with some spine sunning (see second picture) and mild spine slant. Prior owner name/addresses in ink on reverse of pre-text titles p page. Titles underscoring on the pre-text titles page. Otherwise, no other writing or marking. Good hinges. Discolored page block (see third picture). Lovely collectible blue/white multipictorial endpapers. Good to very good dust jacket with minor corner wear but with rips at jacket top and bottom at spine. Front flap lists to Nancy Drew Stagecoach, rear flap lists to Vicki Barr Silver Ring, and the jacket rear lists to Dana Girls Haunted Lagoon. Now protected in removable mylar covering. ND16rg