Book excerpt: From its roots in the American South to today's world stage, the journey of the blues has encompassed countless artists and recordings. But how can you find the best of them? The Penguin Guide to Blues Recordingsis a uniquely informative, insightful and easy-to-use guide through the jungles of the record shop and the online music store. It surveys the recorded work of more than a thousand blues artists, from towering figures of the past like Charley Patton, Bessie Smith and Robert Johnson to stars of the modern era such as B.B. King, Buddy Guy and Stevie Ray Vaughan, providing crisp, expert and witty reviews of almost six thousand CDs. Whether you're a blues aficionado or just starting a collection, this is required reading.