Is real property appraisal evolving, or have all of the "big ideas" already been conceived? This question has been circulating among the leaders of the Appraisal Institute during the past several annual meetings, usually encountering little in the way of satisfying answers. This is not too surprising, because grand ideas and new knowledge do not typically evolve from off-hand conversation. They are the product of focused intellectual activity and hours of difficult work.

This unquenched thirst for new knowledge is the primary reason for assembling this collection of new manuscripts...