Echo Valley.
By: Illustrated by Mary Dinsdale.
Contributors: Dinsdale, Mary, illus.
Series: A Merit mystery ;; 2145
Publisher: Follett Pub. Co.
Published: 1967
Place of publication: Chicago
Language: eng
Number of pages: 144
Subjects: Mystery and detective stories; Wales -- Fiction
Description: Two girls rummaging through an old attic find a mysterious painting with musical significance that eventually helps them to find an emerald necklace and happiness for an old woman.