Black Plumes
by Margery Allingham
"A cupboard, a corpse, and a cache of family skeletons...The Ivorys lived in state, in London. All respectable. But when Frances warned her grandmother that 'something was going on,' it was the understatement of the decade. Upstairs, in a cupboard, there was soon to be a corpse, and when that came to light, out fell the whole file of well-suppressed family secrets and hatreds."
