Book excerpt: Whether the reader wants to knows how their NASCAR heroes achieve their superspeedway feats or how to get the most of their own cars at the local track on Friday nights, this illustrated guide provides the answers. Topics like positioning, drafting, passing, cornering, proper lines and pit strategies are illustrated with color photos and specially commissioned illustrations. Also featured are comments from top NASCAR drivers Jeff Gordon, Dale Jarrett, Ricky Rudd, Terry Labonte and Jeff Burton. A must-have guide for armchair fans as well as burgeoning local-track stars.