The adventures of Sherlock Holmes: Sherlock Holmes, scourge of criminals everywhere, whether they be lurking in London's foggy backstreets or plotting behind the walls of an idyllic country mansion, and his faithful colleague Dr Watson solve twelve breathtaking and perplexing mysteries.

The memoirs of Sherlock Holmes: In The Memoirs of Sherlock Holmes, the consulting detective's notoriety as the arch-despoiler of the schemes concocted by the criminal underworld at last gets the better of him. Though Holmes and his faithful sidekick Dr Watson solve what will become some of their most bizarre and extraordinary cases - the disappearance of the race horse Silver Blaze, the horrific circumstances of the Greek Interpreter and the curious mystery of the Musgrave Ritual among them - a criminal mastermind is plotting the downfall of the great detective. Half-devil, half-genius, Professor Moriarty leads Holmes and Watson on a grisly cat-and-mouse chase through London and across Europe, culminating in a frightful struggle which will turn the legendary Reichenbach Falls into a water double-grave.

The return of Sherlock Holmes: Missing, presumed dead, for three years, Sherlock Holmes returns triumphantly to his dear companion Dr Watson. And not before time! London has never been in more need of his extraordinary services: a murderous individual with an air gun stalks the city. Among thirteen further brilliant tales of mystery, detection and deduction, Sherlock Holmes investigates the problem of the Norwood Builder, deciphers the message of the Dancing Men, and cracks the case of the Six Napoleons.

A study in scarlet: From the moment Dr John Watson takes lodgings in Baker Street with the consulting detective Sherlock Holmes, he becomes intimately acquainted with the bloody violence and frightening ingenuity of the criminal mind. n A Study in Scarlet , Holmes and Watson's first mystery, the pair are summoned to a south London house where they find a dead man whose contorted face is a twisted mask of horror. The body is unmarked by violence but on the wall a mysterious word has been written in blood. The police are baffled by the crime and its circumstances. But when Sherlock Holmes applies his brilliantly logical mind to the problem he uncovers a tragic tale of love and deadly revenge.

The sign of four: When a beautiful young woman is sent a letter inviting her to a sinister assignation, she immediately seeks the advice of the consulting detective Sherlock Holmes. For this is not the first mysterious item Mary Marston has received in the post. Every year for the last six years an anonymous benefactor has sent her a large lustrous pearl. Now it appears the sender of the pearls would like to meet her to right a wrong. But when Sherlock Holmes and his faithful sidekick Watson, aiding Miss Marston, attend the assignation, they embark on a dark and mysterious adventure involving a one-legged ruffian, some hidden treasure, deadly poison darts and a thrilling race along the River Thames.

The hound of the Baskervilles: The death, quite suddenly, of Sir Charles Baskerville in mysterious circumstances is the trigger for one of the most extraordinary cases ever to challenge the brilliant analytical mind of Sherlock Holmes. As rumours of a legendary hound said to haunt the Baskerville family circulate, Holmes and Watson are asked to ensure the protection of Sir Charles' only heir, Sir Henry - who has travelled all the way from America to reside at Baskerville Hall in Devon. And it is there, in an isolated mansion surrounded by mile after mile of wild moor, that Holmes and Watson come face to face with a terrifying evil that reaches out from centuries past