Arthur Conan Doyle - The Complete Sherlock Holmes
The audio version, narrated by Stephen Fry, is a delight. I enjoyed the Benedict Cumberbatch BBC series a few years ago, and Fry’s radio programs on Victorian culture sparked an interest in reading some primary source material. Though lengthy—four novels and countless short stories—this collection made driving, exercising, and doing chores go by much more quickly. I also followed along on the Kindle edition, which is free.
Inertia Wins! 