The Cochrane Handbook for Systematic Reviews of Interventions (the Handbook) provides guidance to authors for the preparation of Cochrane Intervention reviews (including Cochrane Overviews of reviews).
This is Version 5.1.0 of the Handbook, last edited 20 March 2011. It includes a number of changes to match Review Manager version 5.1. The changes are described on the Handbook web site.
The 2009 reprint of the book version (published by John Wiley & Sons, Ltd) is version 5.0.2 of the Handbook; the original (2008) print of the book was version 5.0.1 of the Handbook.