Download or read book The Case of the High Seas Secret written by Cathy East Dubowski and published by Turtleback Books. This book was released on 2001 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mary-Kate and Ashley are on vacation aboard a fantastic cruise ship. But soon they find themselves sailing straight into a brand new mystery. The girls look forward to using their detective skills on a super scavenger hunt. But when the clues--and the cool prizes--start to disappear, Mary-Kate and Ashley hit the decks to uncover the culprit.