Edie Burchill and her mother have never been close, but when a long lost letter arrives one Sunday afternoon with the return address of Milderhurst Castle, Kent, printed on its envelope, Edie begins to suspect that her mother's emotional distance masks an old secret. Evacuated from London as a thirteen year old girl, Edie's mother is chosen by the mysterious Juniper Blythe, and taken to live at Milderhusrt Castle with the Blythe family: Juniper, her twin sisters and their father, Raymond, author of the 1918 children's classic The True History of the Mud Man. Fifty years later, as Edie chases the answers to her mother's riddle, she, too, is drawn to Milderhurst Castle and the eccentric Sisters Blythe. Old ladies now, the three still live together, the twins nursing Juniper, whose abandonment by her fianc in 1941 plunged her into madness. Inside the decaying castle, Edie begins to unravel her mother's past. But there are other secrets hidden in the stones of Milderhurst Castle, and Edie