(From the publisher):
Nancy has a once-in-a-lifetime opportunity to witness the raising of the "Titanic". But when her ship suffers some disruptions, Nancy suspects that someone is trying to sabotage the raising. Meanwhile, Joe has mysteriously vanished from a nearby ship--and Frank and Nancy must wade through dangerous waters to uncover the truth.
Original title: Operation Titanic
Genre: Fiction→ Children & Young Adult→ Mystery