184 pages
English language
Published 1986 by Random House, Random House Books for Young Readers.
184 pages
English language
Published 1986 by Random House, Random House Books for Young Readers.
While attending a week-long family reunion on a California island, the Three Investigators find their photographs of the event hold an inordinate interest for someone else, and receive clues to that unknown identity from both an ancient and a modern boating accident.