About this book
While on a cruise with their grandfather, the Alden children help discover who is behind the mysterious troubles of the ship--disconnected phone lines, engine trouble, a man overboard--and still have fun sightseeing, eating, and swimming.
- Boxcar children (Fictitious characters)
- Families
- Brothers and sisters
- Family
- Juvenile fiction
- Cruise ships
- Fiction
- Brothers and sisters in fiction
