For eighty years Simplified Engineering for Architects and Builders has been the gold standard for the industry and the reference of choice for designers and construction professionals. The extensive revisions and updates in this new Thirteenth Edition reflect the most current practices for designing structures, including advanced topics in wood engineered buildings and extended coverage of ASD and LRFD methods. This innovative guide has had a complete makeover to increase content accessibility and to reinforce key study habits. An accompanying website will feature an updated Instructor's Manual and study guide for students.