A collection of some of detective Sherlock Holmes’s best-known cases. Using his famous powers of deduction and observation he tracks down criminals through the gaslit streets of Victorian London, with the help of his friend Dr Watson.Conan Doyle’s famous detective is always at his best when faced with an ‘unsolvable’ crime, following the smallest of clues to unravel the mystery.Adventure of the speckled band –Adventure of the blue carbuncle –Adventure of the six napoleons –Adventure of the dancing men –Silver blaze –The Reigate puzzle —