The Art of Dying: Ambrose Parry

A Raven and Fisher Mystery: Book 2
Edinburgh, 1849. Hordes of patients are dying all across the city, with doctors finding their remedies powerless. And a whispering campaign seeks to paint Dr James Simpson, pioneer of medical chloroform, as a murderer.
Determined to clear Simpson`s name, his protege Will Raven and former housemaid Sarah Fisher must plunge into Edinburgh`s deadliest streets and find out who or what is behind the deaths. Soon they discover that the cause of the deaths has evaded detection purely because it is so unthinkable.