Thea Stilton and the chocolate sabotage / [text by Thea Stilton ; illustrations by Chiara Balleello (design) and Daniele Verzini (color) ; graphics by Chiara Cebraro ; translated by Emily Clement ; based on an original idea by Elisabetta Dami].
It is up to the Thea sisters to investigate when an Ecuadorian chocolate factory known for its environmental practices begins malfunctioning and the owner suspects sabotage.