Collects Doyle's short stories that star Sherlock Holmes, each of which is annotated to provide literary and cultural details about Victorian society, and also includes biographies of Holmes, Dr. Watson, and the author himself.

In A Writer’s Companion, Louis D. Rubin, Jr., has drawn on his years of accumulated wisdom—as well as the advice of some fifty prominent writers from various fields—to put together in a single volume a vast array of information. Organized in such a way as to make it exceptionally easy to use, and enhanced by Rubin’s graceful and witty prose, A Writer’s Companion will merit a place on the desk of every serious wordsmith. It is also a book that will bring endless hours of pleasure to anyone who enjoys reading simply for the sake of gaining new knowledge. As Casey Stengel said, “You could look it up.”