In a Study in Scarlet Conan Doyle fist presented to the world his unique creation Mr Sherlock Holmes almost complete.
Over successive stories we learn a little more about the man, but it is not for character development that we turn to the Chronicles of Dr John Watson M.D
An iconic figure such as Holmes is all the better for his predictability, and even in this, the first of his recorded cases we can be confident that our hero is all we would expect.