ISBN-13: 9781862304215 / Angielski / Miękka / 2009 / 208 str.
When the court clockmaker, Mr Urseau, is found dead in his workshop, a key clutched in his hand, rumours start flying. Was the murderer his young assistant? Or maybe his wife? Both could be after Urseau's private treasure. And where is the key from? What is it for? Lady Grace is determined to get to the bottom of all these questions