Ace of shadows.
Series: His TEEN agent Christopher Cool, 4
Publisher: Grosset & Dunlap
Published: 1968
Place of publication: New York
Language: eng
Number of pages: 176
Subjects: Spies -- Fiction.
Description: Two TEEN agents try to discover the connection between the accidental death of a German count and the activities of an enemy agent known as the Ace of Shadows.