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book cover of The Case of the High Seas Secret

The Case of the High Seas Secret

(Book 22 in the New Adventures of Mary-Kate and Ashley series)
A novel by


Trenchcoat Twins
Case Report...from
Mary-Kate & Ashley

Olsen and Olsen ahoy! Ashley and I set sail on a fantastic cruise vacation -- our whole family. The Ocean Queen had everything: pools, water slides, a video game arcade, even a Super Scavenger Hunt for the kids!

But this cruise wasn't all smooth sailing. Someone was stealing the prizes for the Super Scavenger Hunt! Could we get to the bottom of this case --before the fun took a dive?

Genre: Young Adult Fiction    

Used availability for Cathy East Dubowski's The Case of the High Seas Secret

Hardback Editions

March 2001 : USA Library Binding

Title: Case of the High Seas Secret (New Adventures of Mary-Kate & Ashley (Pb))
Author(s): Cathy East Dubowski, Alice Leonhardt
ISBN: 0-613-50426-7 / 978-0-613-50426-3 (USA edition)
Publisher: Topeka Bindery
Availability: Amazon   Amazon UK   Amazon CA   

Paperback Editions

January 2001 : USA Paperback

Title: The Case of the High Seas Secret
Author(s): Alice Leonhardt
ISBN: 0-606-21919-6 / 978-0-606-21919-8 (USA edition)
Publisher: Demco Media
Availability: Amazon   Amazon UK   Amazon CA   

March 2001 : USA Paperback

Title: New Adventures of Mary-Kate & Ashley #22: The Case of the High Seas Secret: The Case of the High Seas Secret with Cards
Author(s): Alice Leonhardt
ISBN: 0-06-106644-3 / 978-0-06-106644-3 (USA edition)
Publisher: HarperEntertainment
Availability: Amazon UK