Twins Jules and Camille are on vacation when they discover that their friend, Guillaume, is missing! Who is hiding him? Read the story, follow Guillaume;#39;s tracks, and solve the mystery game. Fully illustrated book includes a glossary and comprehension activities. Levels 1dash;2br / Unique Words: extensivebr / Tense(s): present, imperfectbr / Glossary: yes Copyright 2010. French. Levels 1dash;2. Middle school, high school. 6 x 8 inches. Softcover, 63 pages.