Collectible Microcomputers is a comprehensive field guide for identifying and pricing more than 700 microcomputers made worldwide between 1971 and 1993. It will be in bookstores by December, but you can order it now directly from the author. Please send US $29.95 by check or money order to Michael Nadeau, 40 Samoset Dr., Salem, NH 03079. Shipping is free within the U.S.