By making the correct decisions, the reader assists the Special Intelligence Group in rescuing a marine scientist and recovering a whale song tape from the clutches of the KGB.
1981: by Edward Packard- Fiction. Mass-Marketing-Pocket size edition. Paperback cover has bumps on edges; binding is tight; text is clean; some water marks; does not affect readability.
The young reader chooses what actions should be taken as a government agent tries to recover a tape of a whale song that holds the key to national defense