"In part, this book is a brief against census adjustment. It begins by arguing that the inherent unreliability of racial and ethnic data requires a more realistic standard of accuracy than has typically been adopted by adjustment advocates. It also maintains that the implications of the undercount for both minorities and nonminorities--including the partisan interests of Democrats and Republicans--are grossly exaggerated and misunderstood. A novel intervention into a highly complex system, adjustment would produce all sorts of unpredictable results..." -- Introduction, p.1.