An "elementary" reference to each of Sherlock Holmes' cases as written by Sir Arthur Conan Doyle provides infographics, inspirational quotes and at-a-glance flowcharts that explain how the Baker Street detective reached his conclusions through deductive reasoning.

Discharged from the military after suffering severe wounds, Dr. Watson unsuccessfully searches for accommodation until a chance encounter leads him to Sherlock Holmes, and 221 B Baker Street. Holmes is a master chemist, a talented musician and an expert on the universal aspects of crime. He reveals to Watson that he is a consulting detective and soon draws Watson into his investigation of a bizarre murder. A new partnership begins unbeknownst to Watson...