Margery Allingham 
Crime At Black Dudley [EPUB ebook] 

THE FIRST CAMPION MYSTERY’Margery Allingham stands out like a shining light’Agatha Christie A suspicious death and a haunted family heirloom were not advertised when Dr George Abbershaw and a groupof London’s brightest young things accepted an invitation to the mansion of Black Dudley. Skulduggery is most certainly afoot, and the party-goers soon realise that they’re trapped in the secluded house. Amongst them is a stranger who promises to unravel the villainous plots behind their incarceration — but can George and his friends trust the peculiar young man who calls himself Albert Campion?