Do Not Disturb — Kate Kingsbury

WELCOME TO THE PENNYFOOT
The London aristocracy has discovered the pleasures of seaside holidays in Badgers End, and it's Cecily Sinclair'.s job to keep them comfortable and entertained as the owner of the Pennyfoot Hotel. Detective work is not part of her duties --but Cecily is only too willing to help the local constable when death pays an unexpected visit...

DEATH AT THE DOOR
Poor Mr. Bickley was in bed when his door knocker sounded. He should have stayed there. When he answered and found no one there, he was puzzled...and a moment later he was dead. Now the police say he was poisoned, and suspicion has fallen on Cecily's friend, an avid herbalist. Cecily must find the real killer--before death darkens another doorstep...