Examines design considerations for public library interiors: access; acoustical treatment; assignable and nonassignable space; building interiors: ceilings, clocks, color, control, drinking fountains; exhibit space: slotwall display, floor coverings, floor loading, furniture, lighting, mechanical systems, public address, copying machines, security/fire/smoke detection, service desks, shelving, signage, study spaces, wall coverings, windows, wiring. (PEN)