The 2007 edition of the “Engineered Wood Construction Guide,” a reference manual for using engineered wood products in residential and commercial construction, has been released by APA–The Engineered Wood Association. Providing recommendations for floor, wall, and roof construction, along with specifications for glulam, I-joists, wood structural panels, rim board, and structural composite lumber, the guide is available online in a complete version or in the separate floor, wall, and roof sections. The new edition includes several revised design tables, including expanded recommendations for using APA plywood underlayment. Visit the publications library at www.apawood.org.