Bruce D. Browner, Jesse B. Jupiter, Alan M. Levine, Peter G. Trafton, Christian Krettek, editors. Philadelphia: Saunders-Elsevier; 2009. 2882 pages. $459.00. ISBN: 978-1-4160-2220-6.The fourth edition of Skeletal Trauma builds on the outstanding reputation of this reference text, which was first introduced in 1992. The two-volume set of the fourth edition has a new subtitle of Basic Science, Management, and Reconstruction. The subtitle indicates the explosion of knowledge about musculoskeletal injury and reflects the emphasis the editors have placed on expanding the text to cover more than acute management of fractures, dislocations, and ligamentous injuries.