More than 80 years after Sir Arthur Conan Doyle wrote the last Sherlock Holmes story, the taciturn, relentless and utterly fascinating sleuth is back again - and this time from Nepal.

House no 583 Museum Marg in Kathmandu is as different from 221 B Baker Street as Dr John Watson is from Ted Riccardi. Yet it is the latter - an American scholar and Indologist - who has assumed the mantle of Watson, the chronicler of most of Holmes' adventures.