Sherlock Holmes Society of London: The Little Ship Club is "the only yacht club in the City of London". The Society had met there several years ago, and it really was time we paid another visit. (photo by Paul Gillings)
Sherlock Holmes Society of London: Nearly 50 years on, the BBC TV series 'Sir Arthur Conan Doyle' is celebrated in Mark Jones's book 'Conan Doyle - Mystery and Adventure'
Sherlock Holmes Society of London: After exchanging greetings and confidences, members and guests enjoy conversation at the dinner table (photo by Roger Johnson)
Sherlock Holmes Society of London: The dinner table quickly fills up. Nearest the camera are Catherine Cooke, Jane Arnold-Forster, Calvert Markham, Chris Seymour, Heather Owen, Carole Markham, Jonathan McCafferty, BJ Rahn & Jean Upton (photo by Roger Johnson)
Sherlock Holmes Society of London: B J Rahn & Jean Upton are deep in conversation at the dinner table. (photo by Roger Johnson)
Sherlock Holmes Society of London: After a very good meal, it's time for quizmaster Chris Seymour to test our canonical knowledge. Carole Markham is Chris's assistant. (photo by Roger Johnson)
Sherlock Holmes Society of London: For the quiz, the members and guests are divided into teams of three. (photo by Roger Johnson)
Sherlock Holmes Society of London: The quiz team nearest the camera consists of Jean Upton, Robin Rowles & Elaine McCafferty. (photo by Roger Johnson)
Sherlock Holmes Society of London: We expect the quiz to be tough, and it is! (photo by Roger Johnson)
Sherlock Holmes Society of London: The winners - by one point - are Philippa Kelly, Roger Johnson & Marcus Geisser, who each receive one of the Society's special ballpoint pens. (photo courtesy of Roger Johnson)
Sherlock Holmes Society of London: Night has fallen, and as we leave the Little Ship Club, the lights of London add a certain mysterious elegance to the river, to Cannon Street Bridge, and to the Shard. (photo by Roger Johnson)