A brand-new, brilliantly twisty Sherlock Holmes mystery from 'best kept secret of British genre writing' - British Fantasy Society

When investigating what seems to be a suicide, Holmes and Watson uncover a murderous forgery ring with ties to the British government. As the web of blackmail, threats and violence draws around them, they are forced to consider who they can really trust...

'Displays the author's remarkable facility at conjuring the spirit of Conan Doyle's originals.Sherlockians and Wildeans alike will embrace Purser-Hallard.' - Publishers Weekly starred review

Praise for the author:

'A very good locked-room puzzle' Morning Star

'One of the cleverest locked room mysteries ever tackled by Sherlock Holmes... John Dickson Carr and Anthony Boucher fans will be gratified at the logical explanation the master rationalist devises. This ranks among the top novel-length Sherlock Holmes pastiches.' Publishers Weekly

'The best kept secret in British genre writing' - the British Fantasy Society

'[Purser-Hallard's] writing is crisp and clever... the cast of characters appealing, interesting and consistent'
the British Fantasy Society on The Pendragon Protocol