Today's teaser is from The Sweetness at the Bottom of the Pie, by Alan Bradley. In this teaser, Flavia is exploring her mother's room while she has a chance. She's looking for clues but I'm not going to tell you what for.
From page 150:
Hadn't he just told me that the police had taken Father away? Why on earth, then, would he expect to find him here in Harriet's dressing room?