The Bobbsey twins and the Cedar Camp mystery.
Series: Her The Bobbsey twins books, [14]
Publisher: Grosset & Dunlap
Published: 1967
Place of publication: New York
Language: eng
Number of pages: 176
Subjects: Mystery and detective stories.
Description: "Beware Four-winged Blackbird," is the warning that introduces the Bobbsey twins to mystery in Canada where they search for a missing friend.