Maps are an essential component of any rider's kit, but charts tailored specifically to the motorcycling experience are truly worth their weight in photo ops. The colorful, info-rich MAD Maps series is a perfect example (MAD stands for Motorcycle Adventure Travel), but the maps have been limited just to California--until now. There's finally an eastern component coming to the series, and the Smoky Mountains/Southern Appalachia Scenic Tours Map should be available this year. The new edition promises the same intelligent design and comprehensive listings of gas stops, campgrounds, mileages and recommended eateries. Other maps in the works include Southwest Scenic Tours, North By Northwest Scenic Tours and Rock & Roll Across America. Each coated map goes for $7.95. (415) 221-1232, www.madmaps.com.