The Gang's All Here: The 1989 SFPA Buyer's Guide is a 40-page free brochure from the Southern Forest Products Association that gives a state-by-state listing of mills, products, capacities, and equipment of members of the Association. Also referenced are sales managers, and associate and affiliate members via the services and products they provide. To obtain a copy, write to SFPA, P.O. Box 52468, New Orleans, LA 70152; 504/443-4464. Windows and Doors, Doors and Windows: Available from the American Architectural Manufacturers Association is Voluntary Specifications for Aluminum Prime Windows and Sliding Glass Doors. This publication provides guidelines for the selection and specification of exterior building products, including replacement aluminum windows, dual aluminum windows, and dual prime and replacement windows, necessary