Georgette Heyer 
Why Shoot a Butler? [EPUB ebook] 

Second to none in her ability to make detective stories, Georgette Heyer is queen of the genre.It is a complete mystery why anyone would choose to murder the trusted old butler of Norton Manor. Barrister turned amateur detective, Frank Amberley, has reason to suspect that the shooting involves the nervy young lady discovered at the scene of the crime, a snooping gentleman in the halls of Greythorne and then a second dead body. A dramatic tale of upstairs, downstairs and family secrets.