Grosset Dunlap. Copyright 1960. Print run 1960B-2. This is the second time the book was printed, which was in the latter part of 1960. The first edition (first printing) was in the early part of 1960, coded 1960A-1. Original 20-chapter text. It is valued in the most recent Farah's Guide at a $125.00 value when both book and jacket are in "very good" condition. #37 in the series. Author was Harriet Stratemeyer Adams, writing under the Stratemeyer Syndicate house pseudonym "Carolyn Keene." Very good book with some spine sunning. No writing/markings. Good hinges. Page block is slightly dust-discolored. Lovely collectible blue/white multipictorial endpapers. Very good dust jacket with some wear, particularly at the spine top and bottom. Unfortunately, there's a some sticker residue on the middle of the dust jacket front. Front flap has the #37 plot summary. Rear flap lists to itself, and the jacket rear lists to Dana Girls Bamboo Bird. Now protected in removable mylar covering. ND37rg