The Thea Sisters and some friends want to start a school newspaper. Then Colette's diary is missing, and sports reporter Nicky witnesses something suspicious at the Iron Mouse Games. The Sisters try to solve both mysteries and still get the paper out on time.
General Note: LSC 9.99"Based on an original idea by Elisabetta Dami"--Title page verso.Thea Stilton is a fictitious character.Translation of: Il diario segreto di Colette.