hOlMeS... by Conan Doyle.

Sherlock Holmes is a fictional character of the late nineteenth and early twentieth centuries . He is the creation of British author and physician Sir Arthur Conan Doyle.
Holmes is famous for his intellectual prowess and for his skillful use of astute, observation, deductive reasoning and inference to solve difficult cases.
With his best and adored friend, Dr. Watson, he goes through incredible cases either narrated by himself or by doctor Watson's point of view.
His intelligence is breathtaking, charming and totally confident, he solves the most difficult misteries and mesmerizes us wiht his talent.
Reading holmes is really worth your while, no regrets!
kkkk
But if you're not very into reading you might like the movie version that's going to be released on december,25th 2009.

Here's the trailer.
Check it out!