How to Be TrueBut to Edie's surprise, the nuns at the school teach genuinely useful things, like how to build a perfect library, cater for midnight feasts and make poison darts, and mischievous Edie feels right at home. When a school trip to Paris is planned, she worries about returning to the strict order of her grandmother's chateau but things are not as she left them. Soon Edie and her rebellious friends are caught up in a mystery involving a precious painting,