The secret of the old clock - Wirt, Mildred A. (Mildred Augustine), 1905-2002.; Adams, Harriet; Nappi, Rudy; Grosset & Dunlap; Stratemeyer Syndicate (New York : Grosset & Dunlap, 1959)
Third cover art, second text, Book club edition type #3
Farah's guide, twelfth printing (2005), by David Farah
Keywords: Drew, Nancy (Fictitious character) -- Juvenile fiction; Women detectives -- Juvenile fiction; Mystery and detective stories -- Juvenile fiction; Fiction