Samantha and Nellie set sail for Europe aboard an ocean liner in 1906. Also traveling on the ship is a world-famous archaeologist with the legendary sapphire he discovered. Before the archaeologist can deliver his treasure to a London museum, the priceless jewel disappears. Samantha realizes that every one of the ship’s first-class passengers is a suspect—and one of them must be the thief! Can Samantha and Nellie uncover the real culprit and find the missing jewel? 192 pages. Paperback.Author: Sarah Masters Buckey.