''Refreshing and informative....describe s] the new complex research tools, directions and interpretations in a lucid and understandable fashion.'' --- Lancet, North American edition ''Beautifully crafted...The most significant contribution of this book involves its integration of areas that are not typically considered in genetic overviews.'' --- American Scientist, 1998 ''This book does an extraordinary job of making sense out of the many complex and controversial issues surrounding psychiatric genetics...It is worth the price.'' --- Journal of Genetic...