The Thea Sisters are visiting a friend in Ecuador who has a sweet job - he runs a chocolate factory! His factory is about to receive a major award for its environmental methods. But suddenly, chocolate production starts to malfunction. Is it sabotage? It's up to the Thea Sisters to crack this mouthwatering mystery!
Praise for Geronimo Stilton books:
"Lightning pace and full-color design will hook kids in a flash." -- PUBLISHERS WEEKLY
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