Title: Man Overboard!
Subjects: Children's fiction, World war, 1939-1945, fiction, Canada, fiction, Spies, fiction, Detective and mystery stories, River boats, Boats and boating, Juvenile fiction, Spies, World War, 1939-1945, Fiction, Mystery and detective stories, Spy stories, World War (1939-1945) fast (OCoLC)fst01180924