SAS® for mixed models (2nd edn). Ramon C. Littell, George A. Milliken, Walter W. Stroup, Russell D. Wolfinger and Oliver Schabenberger, SAS Institute, Cary, NC, 2006. No. of pages: xii + 814. Price: $89.95. ISBN 10: 1-59047-500-3; ISBN 13: 978-1-59047-500-3