A. Conan Doyle 
A Study in Scarlet 

“What you do in this world is a matter of no consequence. The question is what can you make people believe you have done.” ― Arthur Conan Doyle, A Study in Scarlet“So all life is a great chain, the nature of which is known whenever we are shown a link of it.” ― Arthur Conan Doyle, A Study in Scarlet’A Study in Scarlet’ is the first published story of one of the most famous literary detectives of all time, Sherlock Holmes. Here Dr. Watson, who has just returned from a war in Afghanistan, meets Sherlock Holmes for the first time when they become flat-mates at the famous 221 B Baker Street.In ‘A Study in Scarlet’ Sherlock Holmes investigates a murder at Lauriston Gardens as Dr. Watson tags along with Holmes while narratively detailing his amazing deductive abilities.A Study in Scarlet was the first work of fiction to incorporate the magnifying glass as an investigative tool.