Peril at Owl Park

"Aspiring writer Aggie Morton is looking forward to Christmas. Having just solved a murder and survived her own brush with death in her small town of Torquay on the coast of England, Aggie can't wait to spend the holidays with her sister, Marjorie, the new Lady Greyson of Owl Park, an enormous manor house the country; Grannie Jane, and her fellow sleuth and partner in crime, Hector Perot. Owl Park holds many delights, including Aggie's cousin Lucy, exciting and glamorous visitors from Ceylon, and disguises aplenty in the form of a group of travelling actors, not to mention a secret passageway and an enormous, cursed emerald. Not even glowering old Lady Greyson (the Senior) can interfere with Aggie's festive cheer"--Amazon.