158 p. :colour illustrations, colour map ;20 cm.
The Thea Sisters are visiting a friend in Ecuador when his chocolate factory starts malfunctioning.
007-010.
1.Thea Sisters (Fictitious characters)--Fiction.2.Mystery and detective stories, Italian--Translations into English.3.Humorous stories, Italian--Translations into English.4.Chocolate factories--Ecuador--Fiction.5.Sabotage--Ecuador--Fiction.6.Mice--Ecuador--Fiction.Dynamic Details