The material is presented in a clear, reader-friendly style.This best-selling text has been fully updated to conform to the latest American Manual of Steel Construction. BothLoad and Resistance Factor Design(LRFD) and Allowable Stress Design(ASD) are now covered and calculations are worked out side-by-side to allow for easy identification of the different methods. Use of SI units as an addition to the primary use of Inch-Pound units. New coverage of Lateral Torsional Bending and Hollow Structural Sections.For steel design students and professionals.