Book excerpt: The Kentucky Barbecue Book is a feast for readers who are eager to sample the finest fare in the state. From the banks of the Mississippi to the hidden hollows of the Appalachian Mountains, author and barbecue enthusiast Wes Berry hit the trail in search of the best smoke, the best flavor, and the best pitmasters he could find. This handy guide presents the most succulent menus and colorful personalities in Kentucky.