THE MYSTERY OF THE LOCKED ROOM: The Dana Girls Mystery Series #7.
Edition: Later printing - 1950s edition
New York: Grosset & Dunlap, (ca 1959, c. 1938.). Hardcover - This series features sisters Jean and Louise Dana, who attend Starhurst Academy, and was written under the same Stratemeyer house pseudonymn as that used for the Nancy Drew series - in fact, the names of the Dana Girls guardians - Uncle Ned and Aunt Harriet - refer to the Ed Stratemayer and his daughter Harriet. In this five girls travel with the headmistress of the school to check out an old stone house on a remote lake to use as a summer camp - that is, if the mystery surrounding the house can be solved! Dark green and white "flashlight illustrated endpapers, Plain frontispiece. Original text. 218 pp. Lists through Murder at the Crossroads on both the dj flap and in the book.
Condition: Very good in green tweed boards, green topstain in a very good dust jacket.