9781118287897 | John Wiley & Sons Inc, April 22, 2013, cover price $95.00 | About this edition: How to develop and support a credible opinion of value based on a foundational framework This book provides knowledge and guidance to valuation practitioners on achieving a new level of professionalism and credibility, as well as to those stakeholders in the valuation process in need of assessing the credibility of an appraiser's work product for decision-making purposes.