Manual of Steel Construction – Allowable Stress Design (ASD), 9th Edition by AISC. Printed 1991 Flexible cover edition (leather-like / softbound feel — not a rigid hardcover). Pre-owned in good condition. Moderate wear to covers including scuffing, edge wear, and corner bumping as shown. Binding is solid and pages are clean with no major issues noted. A trusted reference for structural steel design, engineering, and construction applications. Please review photos for full condition details.