Book excerpt: "Mental health professionals comprise a nation of differences. Those differences do not necessarily make us weak; differences can serve as sources of creativity, strength, and progress if constructively harnessed. In this volume, we have tried to constructively harness the active interplay of these various tenaciously held views, to find the harmony among these diverse voices on EBPs in mental health. In terms of process, informed dialogue and respectful debate are surely the ways to progress. In terms of outcome, we should remember that the overarching goal of EBPs, however defined and disseminated, is to enhance the effectiveness of patient services and to improve public health"--Book. (PsycINFO Database Record (c) 2006 APA, all rights reserved)