Patrizia Puricelli Book order (chronological)

Join the Thea Sisters at Mouseford Academy! The Thea Sisters and some friends decide to start a school newspaper. But when Colette's diary goes missing and sports reporter Nicky witnesses a suspicious finish during the Iron Mouse Games, the five mice have to put their reporting skills to work solving mysteries! Can the Thea Sisters come up with the answers and make their deadline for the paper too?