A tea party takes a poisonous turn leaving Daisy and Hazel with a new mystery to solve in this "first-rate whodunit, reminiscent of a game of Clue that's] terrific preparation for the works of Agatha Christie" (Kirkus Reviews, starred review).

Schoolgirl detectives Daisy Wells and Hazel Wong are at Daisy's home, Fallingford, for the holidays. Daisy's glamorous mother is throwing a tea party for Daisy's birthday, and the whole family is invited, from eccentric Aunt Saskia to dashing Uncle Felix. But it soon becomes clear that this party isn't about Daisy after all--and she is...