Tashi and the Forbidden Room by Anna Fienberg
'We arrived at the tower at the top of the castle. The door was locked. We can't go into that room, said Ho Hum. Not ever.'Tashi tells Jack about his scariest adventure ever, when the mysterious stranger Bluebeard moved into the old castle. Nobody knew what a monster he was. Then the wicked Baron's prize peacock goes missing and his poor dog Pongo will be killed unless Tashi can complete three impossible tasks.When the going gets this tough, it's all up to Tashi!