Breaking the Circle - M.J. Trow

Dr Margaret Murray, accomplished archaeologist, and occasional sleuth, calls upon her police connections to investigate who may want to see the Edwardian mediums of London dead. Known for her sharp mind and quick wit, Margaret decides to infiltrate one of the spiritualists circles to narrow down the list of suspects. But soon the killer has Margaret in their sights! Can she capture the culprit and avoid passing beyond the veil?