The Dean of a Swiss university persuades Sherlock Holmes to investigate the background of a would-be lecturer. To Dr. Watson it seems a very humdrum commission - but who is the mysterious 'Lieserl'? How does her existence threaten the ambitions of the technical assistant level III in Room 86 at the Federal Patents Office in Berne by the name of Albert Einstein? The assignment plunges Holmes and Watson into unfathomable Serbia to solve one of the intractable mysteries of the 20th Century.

In Tim Symonds' previous detective novels, Sherlock Holmes and the Dead Boer At Scotney Castle and Sherlock Holmes And The Case Of The Bulgarian Codex the author based pivotal historic facts and a principal character on real life. So too in this new mystery.

It's 1906. Far from England, the Ottoman Empire ruled by the despotic Sultan Abd-ul-Hamid 11 is on the verge of imploding. Rival Great Powers, especially Kaiser Wilhelm's Germany, sit watching like crows on a fence, ready to rush in to carve up the vast territories, menacing England's vital overland routes to her Indian possessions. At his medical practice in London's Marylebone Watson receives a mystifying telegram. It's from Holmes. 'Dear Watson, if you can throw physic to the dogs for an hour or two I would appreciate meeting at the stone cross at Charing Cross railway station tomorrow noon. I have an assignation with a bird lover at the Stork & Ostrich House in the Regents Park which has excited my curiosity. Yrs. S.H.' Watson finds the invitation puzzling. Why should such a mundane meeting at a Bird House excite the curiosity of Europe's most famous investigating detective or anyone else? For old times' sake Watson joins his old comrade-in-arms. Within days Holmes and...