Keene, Carolyn.

The Message in the Hollow Oak - New York : Grosset & Dunlap, [1972] - 181 p. illus. 20 cm. - Her Nancy Drew mystery stories, 12 .

Nancy Drew tackles a mystery professional detectives failed to solve--finding a valuable centuries-old message in a hollow oak tree in Illinois.

ISBN: 0448095122

LCCN: 78181844 /AC/r84

Subjects--Topical Terms:
Mystery and detective stories.
Nancy Drew Mystery Series #12

LC Class. No.: PZ7.K23 / Nan no. 12 1972

Dewey Class. No.: [Fic]