The ritual murder of a prostitute in a bedroom in decrepit Pentecost Alley would ordinarily cause little commotion, but under the victim’s body was found a Hellfire Club badge inscribed with the name of the prominent Finlay Fitzjames, son of a wealthy businessman and soon to be appointed as an ambassador.  The case appears closed when the prostitute’s pimp confesses, is tried and hanged, but then another identical murder takes place, and the case is thrown wide open again.  Emily befriends the sister of Finlay Fitzjames and together they unmask the real culprit while Pitt battles aga

Someone in the Colonial Office is passing secrets to Germany about England’s Africa policy.  While Pitt investigates this treason, he is quietly looking into the tragic ‘accidental death’ of his childhood mentor, Sir Arthur Desmond.  Pitt believes he was murdered and that the crime is connected with the treachery in the Government.  Only when a Thames waterman finds the strangled body of a society beauty floating near Traitor’s Gate, do Pitt and Charlotte untangle the threads of passion and intrigue...

Newly promoted Pitt has to investigate the gruesome beheadings of three apparently unconnected victims but he is bedevilled by a lack of cooperation from his superiors, Charlotte is pre-occupied with moving house and Emily is absorbed with her husband Jack’s election to Parliament.  Together they uncover domestic scandals and the invisible hand of the evil secret society, the Inner Circle...

When a distinguished judge dies of opium poisoning, the death, by crucifixion, five years before, of Kingsley Blaine is brought back into the public eye and it is screaming for revenge.  The police had arrested a Jewish actor who is condemned to be hanged soon.  Pitt, who is investigating the judge’s death finds that the judge was about to reopen the earlier case.  While Pitt faces a wall of silence from officialdom Charlotte uses her high society connexions and they both come to the same sinister and deeply dangerous truth...

Belgrave Square.    When low-life money lender William Weems is found murdered, there are few to mourn his passing.  But when Pitt finds a list containing the names of some of London’s most distinguished gentlemen in the murdered man’s office, he recognises the smell of blackmail.  While Pitt investigates the victims of Weems’ cupidity, Charlotte and Emily have entree into London’s upper crust that is closed to routine police investigation.  The sinister influence of a secret society becomes apparent...

Clemency Shaw, the wife of a prominent doctor, has died in a tragic fire.  But whether the blaze was set by an arsonist aiming for the doctor, or set by the doctor himself, Pitt is not certain.  With the scarcity of clues, Pitt turns to Clemency’s stuffy but distinguished relatives.  Meanwhile Charlotte retraces the dangerous path that Clemency walked the last months of her life, and finds herself enmeshed in a sinister web that stretches from the lowest slums to the loftiest centres of power...

The elegant gentleman tied to the lamppost on Westminster Bridge is definitely dead – his throat has been slit.  Then two more meet the same fate; they are, it transpires, all Members of Parliament and had recently voted against women’s suffrage.  The public is outraged.  Charlotte, with the help of her Great Aunt, Vespasia, play sleuths behind the scenes while Pitt pursues his investigations and another victim is being stalked...

When Pitt is asked to re-open a three-year old murder case which had taken place in London’s luxurious Hanover Close, he knows that his superiors want him to handle the investigation delicately, diplomatically and smooth everything over.  But that is not the way Pitt operates!  While Charlotte penetrates behind the reserve of high society to do her own brand of detective work, Pitt discovers more shocking secrets that could lead to further deaths, even his own...

When George March, a womanising aristocrat, is found dead over his morning coffee, his wife Emily is accused of murder.  But Emily’s sister is the indomitable Charlotte, who, with her husband Thomas, take on the seemingly irreproachable March clan and discover an insidious web of corruption and depravity that leads them from the elegance of Cardington Crescent into the hideous London slums, and more murder...

When a doctor is found brutally murdered, even the neighbourhood’s most hardened residents are stunned.  Then three more bodies are found, killed in the same inexpert way and Pitt and Charlotte race against time to find the killer, as a treacherous mystery unfolds...