BROTHER KEEPER-Before Sherlock was the Great Detective, he was a university student sent down from Oxford to London to the care of his older brother, a rising young man at the Admiralty, and during his time in London, he has his first look at the darker side of the city, with life changing results. THE CASE OF THE AMERICAN TWINS-The American Twins is a classic adventure featuring the great detective Sherlock Holmes and his faithful friend, Dr. John Watson Among the many references made to cases that Watson did not chronicle, those of Sherlock Holmes' early career are the most intriguing. Within the canon, there is an oblique reference to one case concerning an American client, but nothing more is revealed by Watson. At last, here is that case.