The hanged man

"On a freezing Christmas Eve in 1879, a forensic psychic reader is summoned from her Baker Street lodgings to the scene of a questionable death. Alexandrina Victoria Pendlebury (named after her godmother, the current Queen of England) is adamant that the death in question is a magically compromised murder and not a suicide, as the police had assumed. After the shocking revelation contained by the body in question, Alex must put her personal loss aside to uncover the deeper issues at stake, before more bodies turn up"--